Professional and technical services — page 4 of 23
6,630 open company locations, self-reported NAICS sector “Professional and technical services”.
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| Place | Company | Location ID | Industry | Since |
|---|---|---|---|---|
| San Francisco, CA | Brickerhaven Consulting Group | 0378750-01-001-0378750 | Professional and technical services | Jan 15, 2004 |
| Issaquah, WA | Bridge Partners LLC-Issaquah | 1362221-05-241-1134371 | Professional and technical services | Feb 4, 2024 |
| San Francisco, CA | Bridgebio Services Inc. | 1302260-04-221-1132613 | Professional and technical services | Jan 1, 2021 |
| San Francisco, CA | Bridgebio Services Inc. | 1298828-02-221-1132613 | Professional and technical services | Jan 1, 2021 |
| San Francisco, CA | Bridgehead Media, Inc. | 1243352-01-201-1110709 | Professional and technical services | Jan 20, 2020 |
| San Francisco, CA | Bridgetown Research Inc. | 1432859-09-261-1188743 | Professional and technical services | Apr 1, 2026 |
| Englewood, CO | Brierley Associates Corporation | 1426056-06-261-1084740 | Professional and technical services | Aug 1, 2025 |
| San Francisco, CA | Bright Data Inc | 1426446-07-261-1185994 | Professional and technical services | Dec 31, 2021 |
| Berkeley, CA | Bright Green Strategies, Inc. | 1181693-03-181-0469658 | Professional and technical services | Jul 1, 2012 |
| Santa Cruz, CA | Bright Green Strategies, Inc. | 1181149-03-181-0469658 | Professional and technical services | Jul 1, 2012 |
| San Francisco, CA | Bright Group Associates | 1403069-10-251-1175975 | Professional and technical services | Oct 28, 2025 |
| San Francisco, CA | Bright Orange Group | 1383981-03-251-1167939 | Professional and technical services | Jan 1, 2025 |
| Novato, CA | Bright Pay LLC | 1358769-04-241-1157554 | Professional and technical services | Jul 12, 2021 |
| Oakland, CA | Bright Research Group | 1230084-08-191-1105129 | Professional and technical services | Aug 1, 2019 |
| San Francisco, CA | Brightband Inc. | 1381749-02-251-1167008 | Professional and technical services | May 7, 2024 |
| San Francisco, CA | Brighterion Inc | 0353772-01-001-0353772 | Professional and technical services | Jul 14, 2009 |
| San Francisco, CA | Brighterion, Inc. | 1241517-12-191-0353772 | Professional and technical services | Jul 14, 2009 |
| San Francisco, CA | Brightheads LLC | 1427881-07-261-1186623 | Professional and technical services | Sep 15, 2025 |
| San Francisco, CA | Brightline Consulting LLC | 1278784-05-211-0436455 | Professional and technical services | Feb 8, 2021 |
| San Francisco, CA | Brightmark LLC | 1270489-02-211-1062905 | Professional and technical services | Apr 21, 2020 |
| San Francisco, CA | Brightside Consulting LLC | 1379996-02-251-1166270 | Professional and technical services | Feb 4, 2025 |
| S San Francisco, CA | Brightstar Global Solutions Corporation | 1413961-03-261-0195830 | Professional and technical services | Oct 1, 2015 |
| San Francisco, CA | Brii Biosciences Inc | 1358858-04-241-1157594 | Professional and technical services | Sep 1, 2021 |
| San Francisco, CA | Brillio LLC | 1007895-09-141-1004185 | Professional and technical services | Jan 1, 2014 |
| Riverview, FL | Brinkmann Instruments Inc | 1064170-04-161-1031449 | Professional and technical services | Apr 1, 2016 |
| Riverview, FL | Brinkmann Instruments, Inc. | 1208446-12-181-1031449 | Professional and technical services | Apr 1, 2016 |
| San Francisco, CA | Briscoe IVester & Bazel Llp | 1319281-11-221-0396793 | Professional and technical services | Jun 1, 2020 |
| San Francisco, CA | Britesnow Inc | 1064931-04-161-0467101 | Professional and technical services | Nov 30, 2015 |
| San Francisco, CA | Brm Labs, Inc. | 1413803-03-261-1167521 | Professional and technical services | Jan 1, 2025 |
| San Francisco, CA | Brm Labs, Inc. | 1383008-03-251-1167521 | Professional and technical services | Jan 1, 2023 |
| Kitchener, Canada, ON | Brock Solutions Inc. | 1310107-07-221-1137063 | Professional and technical services | Jul 19, 2022 |
| Irving, TX | Brock Solutions Us Systems LLC | 1162219-09-171-1076643 | Professional and technical services | Sep 26, 2017 |
| San Francisco, CA | Broderick Haight Consulting LLC | 1191433-06-181-1088889 | Professional and technical services | Jun 1, 2018 |
| San Francisco, CA | Brodierich.Com LLC | 1403817-11-251-1176310 | Professional and technical services | Oct 6, 2025 |
| San Francisco, CA | Brodwin & Associates | 0473673-01-001-0473673 | Professional and technical services | Oct 7, 2012 |
| San Francisco, CA | Broke But Grand LLC | 1268893-02-211-1073668 | Professional and technical services | Jun 30, 2017 |
| Alameda, CA | Broniec Associates | 1336039-06-231-0456829 | Professional and technical services | Jul 24, 2003 |
| Denver, CO | Browne, Bortz & Coddington, Inc. | 1355556-03-241-1156246 | Professional and technical services | Mar 12, 2024 |
| San Francisco, CA | Bruce D Baumann & Associates | 1416606-03-261-0173648 | Professional and technical services | Aug 20, 2025 |
| San Francisco, CA | Bruce Damonte Photography Inc | 0434923-01-001-0434923 | Professional and technical services | Jan 1, 2011 |
| Sacramento, CA | Bruel & Kjaer Ems Inc | 0373594-02-999-0373594 | Professional and technical services | Jul 15, 2010 |
| Alameda, CA | Brunetti Econometrics LLC | 1391218-06-251-1170893 | Professional and technical services | Jun 5, 2025 |
| San Francisco, CA | Brunswick Group LLC | 0432934-01-001-0432934 | Professional and technical services | Nov 1, 2007 |
| San Francisco, CA | Brunswick Group LLC | 1164848-10-171-0432934 | Professional and technical services | Nov 1, 2007 |
| Napa, CA | Brunzell Historical LLC | 1298675-02-221-1132545 | Professional and technical services | Feb 24, 2022 |
| San Francisco, CA | Brw Architects Inc | 0444985-01-002-0444985 | Professional and technical services | Dec 1, 2011 |
| San Francisco, CA | Bryan Cave Leighton Paisner Llp | 1188018-05-181-0426103 | Professional and technical services | Apr 2, 2018 |
| San Francisco, CA | Bryan Cave Leighton Paisner Llp | 1274198-04-211-0426103 | Professional and technical services | Oct 17, 2016 |
| San Francisco, CA | Bryan D Blythe Cpa Inc | 1298727-02-221-1132566 | Professional and technical services | Feb 24, 2022 |
| San Francisco, CA | Bryant Law Group | 1279536-06-211-1125128 | Professional and technical services | Jun 7, 2021 |
| San Francisco, CA | Bsf Vet Inc | 1306666-06-221-1135719 | Professional and technical services | Jun 1, 2022 |
| San Francisco, CA | Btrax Inc | 1066433-05-161-1005329 | Professional and technical services | Sep 1, 2015 |
| San Francisco, CA | Buchalter, A Professional Corporation | 1303442-04-221-0161530 | Professional and technical services | Apr 8, 2022 |
| San Francisco, CA | Buchman Law Firm, Llp | 1392648-06-251-0379559 | Professional and technical services | Jun 20, 2025 |
| San Francisco, CA | Buehler Engineering, Inc. | 1304041-05-221-0458732 | Professional and technical services | May 2, 2022 |
| San Francisco, CA | Bugcrowd Inc | 1342073-09-231-1015221 | Professional and technical services | Sep 1, 2023 |
| Washington, DC | Build Consulting LLC | 1354333-02-241-1155791 | Professional and technical services | Jun 13, 2023 |
| Emeryville, CA | Building Lab Inc | 0449398-01-999-0449398 | Professional and technical services | Jun 1, 2010 |
| San Francisco, CA | Built Robotics Inc | 1376399-12-241-1057104 | Professional and technical services | Nov 1, 2024 |
| Long Beach, CA | Bulletin Displays LLC | 1388245-05-251-1169723 | Professional and technical services | Jan 29, 2024 |
| San Francisco, CA | Bundle Solutions, Inc. | 1306111-05-221-1135529 | Professional and technical services | Mar 1, 2022 |
| Pleasanton, CA | Bureau Veritus No America Inc | 0414418-01-999-0414418 | Professional and technical services | Feb 1, 2007 |
| San Francisco, CA | Burgoyne Law Group | 0464743-03-001-0464743 | Professional and technical services | Nov 15, 2011 |
| San Francisco, CA | Burgoyne Law Group | 1252929-06-201-0464743 | Professional and technical services | Aug 1, 2017 |
| San Francisco, CA | Burke Venture Group | 0443089-01-001-0443089 | Professional and technical services | Jan 2, 2007 |
| San Francisco, CA | Burke, Williams & Sorensen, Llp | 1290942-11-211-0359924 | Professional and technical services | Jan 1, 2020 |
| Woodland, CA | Burkedale LLC | 1341865-09-231-1150384 | Professional and technical services | Mar 20, 2023 |
| Larkspur, CA | Burkland Associates LLC | 1410680-02-261-1080368 | Professional and technical services | Sep 1, 2025 |
| San Francisco, CA | Burns & Mcdonnell Engineering Company, Inc Dba 1898 & Co. | 1238274-11-191-0467584 | Professional and technical services | Nov 11, 2019 |
| San Francisco, CA | Burns & Mcdonnell Engineering Company, Inc. | 1204857-11-181-0467584 | Professional and technical services | Jul 1, 2018 |
| Kansas City, MO | Burns & Mcdonnell Engineering Company, Inc. | 0467584-01-999-0467584 | Professional and technical services | Mar 12, 2012 |
| San Francisco, CA | Burstein Heights Management Co | 0313896-02-001-0313896 | Professional and technical services | Oct 15, 1998 |
| San Francisco, CA | Busimana, Inc. | 1340020-08-231-1149554 | Professional and technical services | Aug 4, 2023 |
| San Anselmo, CA | Business Cents, LLC | 1191482-06-181-1088909 | Professional and technical services | Jan 1, 2018 |
| San Francisco, CA | Business Counsel Law Group Llp | 1366878-07-241-0445254 | Professional and technical services | May 1, 2024 |
| Austin, TX | Business Legal Solutions Pc | 1410860-02-261-1157489 | Professional and technical services | Jan 1, 2026 |
| San Francisco, CA | Business Links Inc | 0395733-01-001-0395733 | Professional and technical services | Jan 1, 2006 |
| Santa Barbara, CA | Butler America LLC | 1343072-09-231-1150910 | Professional and technical services | Sep 1, 2023 |
| Burlingame, CA | Butlr Technologies Inc | 1373057-10-241-1163235 | Professional and technical services | May 29, 2020 |
| San Francisco, CA | Button Law Inc. | 1264802-12-201-1119360 | Professional and technical services | Feb 3, 2020 |
| San Francisco, CA | Buzick Consulting, LLC | 1222715-05-191-1102263 | Professional and technical services | May 23, 2019 |
| San Francisco, CA | Buzzboard, Inc. | 1236034-10-191-1061705 | Professional and technical services | Sep 2, 2019 |
| San Francisco, CA | Bv Engineering Inc., | 1237736-11-191-1108242 | Professional and technical services | Oct 15, 2019 |
| Daly City, CA | Bw & Company | 1333784-05-231-1134581 | Professional and technical services | May 16, 2023 |
| San Francisco, CA | Bxs Group | 0384042-01-001-0384042 | Professional and technical services | Feb 1, 2005 |
| San Francisco, CA | Byemcc Accountancy Corporation | 1286316-09-211-1018771 | Professional and technical services | Sep 1, 2021 |
| San Francisco, CA | Byers Systems Inc | 1127198-11-161-0388769 | Professional and technical services | Jan 1, 2016 |
| San Francisco, CA | C & S Engineers, Inc. | 1122663-10-161-1033568 | Professional and technical services | Oct 3, 2016 |
| San Francisco, CA | C A S E Company | 0354053-01-001-0354053 | Professional and technical services | Mar 8, 2005 |
| San Francisco, CA | C Chen Consulting LLC | 1347511-11-231-1152843 | Professional and technical services | Nov 29, 2023 |
| San Francisco, CA | C Force LLC | 1169752-12-171-0414128 | Professional and technical services | Dec 5, 2017 |
| Pacheco, CA | C R Fireline Inc | 0307830-02-999-0307830 | Professional and technical services | Nov 8, 2001 |
| Irvine, CA | C S Caulkins Co Inc | 1052485-02-161-0444839 | Professional and technical services | Sep 15, 2014 |
| San Francisco, CA | C&C Advisors, LLC | 1293083-12-211-1130258 | Professional and technical services | Oct 1, 2021 |
| Chicago, IL | C.H. Johnson Consulting, Inc. | 1061873-04-161-1030360 | Professional and technical services | Feb 25, 2016 |
| San Francisco, CA | C4 Therapeutics, Inc | 1370215-09-241-1162039 | Professional and technical services | Sep 1, 2024 |
| San Francisco, CA | Ca Consultancy Inc | 1230151-08-191-1105151 | Professional and technical services | Jul 8, 2019 |
| San Francisco, CA | Ca Holdco LLC | 1399136-09-251-1174251 | Professional and technical services | Jan 1, 2025 |
| San Francisco, CA | Cached Intelligence, Inc. | 1425839-06-261-1185728 | Professional and technical services | May 2, 2025 |
| San Francisco, CA | Caci Inc - Commercial | 0930324-03-001-0930324 | Professional and technical services | Jan 1, 2012 |
| Walnut Creek, CA | Cad Masters Inc | 0430272-02-999-0430272 | Professional and technical services | Feb 25, 2009 |
| San Francisco, CA | Cadd Resources LLC | 0334245-01-001-0334245 | Professional and technical services | Jan 1, 2000 |
| New York, NY | Cahill Gordon & Reindel Llp | 1433274-09-261-1188934 | Professional and technical services | Aug 24, 2026 |
| San Francisco, CA | Cairn Biosciences Inc | 1364251-06-241-0485603 | Professional and technical services | Jan 1, 2024 |
| San Francisco, CA | Caitlin Barta Research LLC | 1386107-04-251-1168830 | Professional and technical services | Mar 20, 2025 |
| San Lorenzo, CA | Cal Safety Solution LLC | 1255817-07-201-1115798 | Professional and technical services | Jul 15, 2020 |
| San Leandro, CA | Cal Safety Solution LLC | 1361162-05-241-1115798 | Professional and technical services | Jan 1, 2024 |
| San Francisco, CA | Cal-Star Consulting Inc | 1264742-12-201-1117779 | Professional and technical services | Dec 4, 2020 |
| San Francisco, CA | Calbay Protective Services Inc | 0451569-01-001-0451569 | Professional and technical services | Jan 1, 2010 |
| Stockton, CA | Calder Consulting Group Corporation | 1311510-08-221-1137649 | Professional and technical services | Aug 5, 2022 |
| San Francisco, CA | Calder Consulting Group Corporation | 1314147-09-221-1137649 | Professional and technical services | Sep 9, 2022 |
| Palo Alto, CA | Caldera Ai Inc | 1401525-10-251-1175294 | Professional and technical services | Oct 7, 2025 |
| San Francisco, CA | Calegari & Morris Acctants Apc | 1169986-12-171-0046705 | Professional and technical services | Oct 30, 2017 |
| San Francisco, CA | Calendly LLC | 1357211-04-241-1156920 | Professional and technical services | Oct 1, 2023 |
| San Francisco, CA | Calg Llp | 1265952-12-201-1013924 | Professional and technical services | Dec 22, 2020 |
| San Francisco, CA | Calgeotech Engineering Consultants Inc | 1154768-07-171-0465556 | Professional and technical services | Jul 18, 2017 |
| San Francisco, CA | Calhoun & Company Communications | 1225016-06-191-0359706 | Professional and technical services | Sep 26, 2002 |
| Oakland, CA | Calichi Design Group | 1127432-11-161-1061186 | Professional and technical services | Nov 14, 2016 |
| San Francisco, CA | California Clear-Air Services Inc | 1027867-05-151-1013430 | Professional and technical services | Jan 1, 2015 |
| San Francisco, CA | California Environmental Associates | 1353800-02-241-0933509 | Professional and technical services | Feb 1, 2021 |
| San Francisco, CA | California Housing Partnership Corporation | 1367917-08-241-1007071 | Professional and technical services | Jul 1, 2023 |
| San Francisco, CA | California Language Academy Group | 1322584-01-231-1142396 | Professional and technical services | Jan 26, 2023 |
| San Francisco, CA | California Partnership Mktg Gp | 0318762-02-001-0318762 | Professional and technical services | May 1, 2003 |
| San Francisco, CA | California Property Realty Inc | 0472250-01-001-0472250 | Professional and technical services | Aug 23, 2012 |
| San Francisco, CA | Calm Spaces, Inc. | 1366122-07-241-1160360 | Professional and technical services | Jun 28, 2024 |
| San Francisco, CA | Calque, Inc | 1411641-02-261-1179707 | Professional and technical services | Aug 22, 2025 |
| San Francisco, CA | Calso Community Inc | 1027494-05-151-1013239 | Professional and technical services | Apr 1, 2014 |
| Pasadena, CA | Calstart, Inc. | 1202764-10-181-1093761 | Professional and technical services | Sep 27, 2018 |
| San Francisco, CA | Calsun Energy, Inc | 1131345-12-161-1063038 | Professional and technical services | Dec 2, 2016 |
| Corona, CA | Calvada Surveying, Inc. | 1382556-03-251-1167334 | Professional and technical services | Mar 3, 2025 |
| San Francisco, CA | Calvary Hill Community Church | 0481154-01-001-0481154 | Professional and technical services | Jul 15, 2008 |
| San Francisco, CA | Calvo Fisher & Jacob Llp | 1341619-08-231-0383942 | Professional and technical services | Jan 1, 2023 |
| San Francisco, CA | Cambio Ai Inc. | 1431236-08-261-1188047 | Professional and technical services | Aug 27, 2026 |
| San Francisco, CA | Cambridge Associates LLC | 1123403-10-161-1059372 | Professional and technical services | Jan 25, 2016 |
| Arlington, VA | Cambridge International Systems Inc | 1336598-06-231-1148122 | Professional and technical services | Jun 1, 2023 |
| San Francisco, CA | Campana Leadership Group Inc | 1056576-02-161-1027758 | Professional and technical services | Feb 4, 2016 |
| San Francisco, CA | Canary Technologies Corp | 1225803-06-191-1103451 | Professional and technical services | Nov 27, 2018 |
| Burbank, CA | Canaudit, Inc. | 1264752-12-201-1119335 | Professional and technical services | Jan 1, 2020 |
| San Francisco, CA | Candlelight Strategies LLC | 1399796-09-251-1174539 | Professional and technical services | Jul 6, 2025 |
| San Francisco, CA | Cannata Ching & O'toole Llp | 0364300-03-001-0364300 | Professional and technical services | Aug 1, 2011 |
| San Francisco, CA | Cannata Ching & O'toole Llp | 0364300-02-001-0364300 | Professional and technical services | Aug 1, 2011 |
| San Francisco, CA | Cantellus Group Us LLC | 1407128-01-261-1177787 | Professional and technical services | Jan 1, 2026 |
| San Francisco, CA | Cantina Labs Inc | 1430096-08-261-1160201 | Professional and technical services | Aug 4, 2026 |
| San Francisco, CA | Canty, Inc. | 1337025-07-231-1148301 | Professional and technical services | Jul 1, 2023 |
| Austin, TX | Canva Us, Inc. | 1348710-12-231-1153344 | Professional and technical services | Jan 1, 2021 |
| San Francisco, CA | Canvas Medical, Inc. | 1247727-02-201-1112467 | Professional and technical services | Aug 17, 2015 |
| San Diego, CA | Capalbo Daniel, Pc | 1405416-12-251-1177035 | Professional and technical services | Sep 8, 2025 |
| San Francisco, CA | Capella Space Corp | 1422209-05-261-1084164 | Professional and technical services | Mar 16, 2020 |
| San Francisco, CA | Caphatch LLC | 1396929-08-251-1173301 | Professional and technical services | Jul 15, 2025 |
| San Francisco, CA | Capital Intelligence Corp. | 0345088-03-001-0345088 | Professional and technical services | Mar 1, 2002 |
| Woodstock, GA | Capital Inventory, Inc. | 0921024-01-999-0921024 | Professional and technical services | Jul 1, 1993 |
| San Francisco, CA | Capital Partnerships Inc. | 1359737-05-241-0208861 | Professional and technical services | May 1, 2024 |
| San Francisco, CA | Capitol Outdoor, Inc. | 1255957-07-201-1115868 | Professional and technical services | Feb 1, 2015 |
| San Francisco, CA | Cappelloni Law Pc | 1293643-12-211-1084612 | Professional and technical services | Dec 16, 2021 |
| Berkeley, CA | Caravann Consulting LLC | 1429394-08-261-1187273 | Professional and technical services | Jan 5, 2026 |
| San Francisco, CA | Cardinia Real Estate LLC | 1338493-07-231-1148916 | Professional and technical services | Jan 1, 2023 |
| San Francisco, CA | Carducci & Associates Inc | 0168655-01-001-0168655 | Professional and technical services | Jun 8, 2001 |
| San Francisco, CA | Cardwell Steigerwald Young Family Law Group | 1305728-05-221-1135396 | Professional and technical services | May 16, 2022 |
| San Francisco, CA | Cardwell Steigerwald Young Llp | 1397007-08-251-1135396 | Professional and technical services | May 16, 2022 |
| San Francisco, CA | Caretech Innovations LLC | 1431261-08-261-1164150 | Professional and technical services | Jul 1, 2026 |
| Cambridge, MA | Cargurus, Inc. | 1361614-05-241-1158626 | Professional and technical services | May 22, 2023 |
| Martinez, CA | Caribou Public Relations, Inc. | 1363324-06-241-0461816 | Professional and technical services | Jan 1, 2024 |
| San Francisco, CA | Carion Doty Llp | 1429896-08-261-0350777 | Professional and technical services | Aug 31, 2021 |
| San Francisco, CA | Carion Doty Llp | 0350777-01-001-0350777 | Professional and technical services | Aug 16, 2005 |
| San Francisco, CA | Carlos Ausejo Taxes And Bookkeeping Ltd. | 1188321-05-181-1087702 | Professional and technical services | Jan 1, 2018 |
| San Ramon, CA | Carlson, Barbee & Gibson, Inc | 1219001-04-191-1100840 | Professional and technical services | Apr 1, 2019 |
| San Jose, CA | Carma Technology Corporation | 1030703-06-151-1014571 | Professional and technical services | Jun 10, 2015 |
| San Francisco, CA | Carol Hornibrook And Associates | 1390655-05-251-0399969 | Professional and technical services | Jan 1, 2025 |
| San Francisco, CA | Caroline Collins Interiors LLC | 1351578-01-241-1154592 | Professional and technical services | Jan 1, 2024 |
| San Francisco, CA | Caroline Dejean, M.D. Inc | 1350289-01-241-1154014 | Professional and technical services | Jan 2, 2024 |
| Walnut Creek, CA | Carollo Engineers Inc | 0343909-01-999-0343909 | Professional and technical services | Jan 1, 2001 |
| San Francisco, CA | Carpenter Consulting Partners, Inc. | 1335802-06-231-1075067 | Professional and technical services | Sep 1, 2022 |
| San Francisco, CA | Carroll & Scully Law Off Inc | 0128652-01-001-0128652 | Professional and technical services | Nov 1, 1980 |
| San Francisco, CA | Carson Fong & Associates Inc | 0371251-01-001-0371251 | Professional and technical services | Sep 6, 2010 |
| Fremont, CA | Carstens Yearly Analysis Inc | 0483561-01-999-0483561 | Professional and technical services | Jun 7, 2013 |
| San Francisco, CA | Carta Healthcare Inc. | 1303876-05-221-1134722 | Professional and technical services | Dec 1, 2021 |
| San Francisco, CA | Carta Law Pc | 1429879-08-261-1187488 | Professional and technical services | Aug 13, 2026 |
| San Francisco, CA | Cartagena Consulting LLC | 1054198-02-161-1026014 | Professional and technical services | Feb 11, 2016 |
| Pacheco, CA | Carter Gough & Company | 0335803-01-999-0335803 | Professional and technical services | Apr 15, 2000 |
| San Francisco, CA | Cartesia Ai, Inc | 1357713-04-241-1157105 | Professional and technical services | Jul 20, 2023 |
| San Francisco, CA | Cartesia Inc | 1397312-08-251-1157105 | Professional and technical services | Jul 14, 2025 |
| San Francisco, CA | Carver Technologies Inc. | 1315849-10-221-1139492 | Professional and technical services | Aug 4, 2021 |
| San Franciscco, CA | Cas Report LLC | 1051207-01-161-1024154 | Professional and technical services | Jan 25, 2016 |
| San Francisco, CA | Casa Way Associates | 1429964-08-261-1187526 | Professional and technical services | Jan 1, 2026 |
| San Francisco, CA | Cascade Communications LLC | 1397133-08-251-1173391 | Professional and technical services | Jun 1, 2025 |
| Oakland, CA | Cascadia Consulting Group, Inc | 1419620-04-261-1071495 | Professional and technical services | Oct 1, 2025 |
| Seattle, WA | Cascadia Consulting Group, Inc. | 1149526-06-171-1071495 | Professional and technical services | Jun 1, 2017 |
| San Francisco, CA | Casner Scientific LLC | 1362229-05-241-1158842 | Professional and technical services | May 1, 2024 |
| San Francisco, CA | Castle Biosciences, Inc | 1329316-04-231-1145208 | Professional and technical services | Jan 1, 2022 |
| San Francisco, CA | Caston Group The | 0332444-01-001-0332444 | Professional and technical services | Jan 1, 2000 |
| Alpharetta, GA | Catalis Courts & Land Records, LLC | 1360235-05-241-1158137 | Professional and technical services | May 1, 2024 |
| Wilmington, NC | Catalyst Clinical Research, LLC. | 1283190-07-211-1126538 | Professional and technical services | Jan 4, 2021 |
| San Francisco, CA | Catalyst Collective LLC Dba Catalyst & Co | 1364350-06-241-1159627 | Professional and technical services | Jun 3, 2024 |
| Napa, CA | Catalyst Consulting Group Inc | 0386396-01-999-0386396 | Professional and technical services | Mar 18, 2005 |
| San Francisco, CA | Catalyst Health Resources LLC | 0491076-01-001-0491076 | Professional and technical services | Jul 1, 2014 |
| San Francisco, CA | Catamount Ventures Mngmt LLC | 0437470-01-001-0437470 | Professional and technical services | Jan 5, 2009 |
| New York, NY | Catchafire, Inc. | 1202274-10-181-1093539 | Professional and technical services | Oct 1, 2018 |
| Seattle, WA | Catchy LLC | 1269552-02-211-1121376 | Professional and technical services | Sep 1, 2020 |
| San Francisco, CA | Cate Debenedictis Communications LLC | 1371824-10-241-1162724 | Professional and technical services | Sep 3, 2024 |
| San Francisco, CA | Catherine Cheung A Prof Corp | 0342582-01-001-0342582 | Professional and technical services | Jan 1, 2001 |
| San Francisco, CA | Catherine Madden LLC | 1248905-03-201-1112972 | Professional and technical services | Sep 1, 2017 |
| San Francisco, CA | Catherine W Design LLC | 1224345-06-191-1102832 | Professional and technical services | May 1, 2019 |
| San Francisco, CA | Cato Creations LLC | 1395594-07-251-1161094 | Professional and technical services | Jun 1, 2025 |
| San Francisco, CA | Cavalry Biosciences, Inc | 1292959-12-211-1130204 | Professional and technical services | Nov 22, 2021 |
| San Francisco, CA | Cavela Inc | 1429820-08-261-1187461 | Professional and technical services | May 11, 2026 |
| San Francisco, CA | Caw Architects, Inc. | 1388421-05-251-1140304 | Professional and technical services | Apr 21, 2025 |
| Pendleton, OR | Cayuse Civil Services, LLC | 1386293-04-251-1168912 | Professional and technical services | Apr 17, 2025 |
| Jersey City, NJ | Cb Neptune Holdings, LLC | 1380224-02-251-1166369 | Professional and technical services | May 1, 2024 |
| Atlanta, GA | Cbre Heery, Inc. | 1238521-11-191-1108583 | Professional and technical services | Nov 1, 2019 |
| San Francisco, CA | Cc Architect Inc | 1352312-02-241-1154910 | Professional and technical services | Jan 1, 2024 |
| San Francisco, CA | Cc Architects Inc | 1398963-09-251-1154910 | Professional and technical services | Jan 1, 2025 |
| Iron Mountain, MI | Cci Systems Inc Dba Suite 201 Solutions | 1039009-09-151-1018071 | Professional and technical services | Feb 17, 2014 |
| San Francisco, CA | Ccs Architecture Inc | 0490925-01-001-0490925 | Professional and technical services | Jul 1, 2014 |
| San Francisco, CA | Cdb Consulting LLC | 1358312-04-241-1157366 | Professional and technical services | Jan 23, 2024 |
| San Diego, CA | Cdf Labor Law Llp | 1381534-02-251-0950655 | Professional and technical services | May 1, 2021 |
| Irvine, CA | Cdf Labor Law Llp | 1272692-03-211-0950655 | Professional and technical services | Oct 9, 2020 |
| San Francisco, CA | Cdf Labor Law Llp | 1381803-02-251-0950655 | Professional and technical services | Nov 21, 2024 |
| Los Angeles, CA | Cdf Labor Law Llp | 1272694-03-211-0950655 | Professional and technical services | Oct 9, 2020 |
| Sacramento, CA | Cdf Labor Law Llp | 1272693-03-211-0950655 | Professional and technical services | Oct 9, 2020 |
| San Francisco, CA | Cdim Engineering, Inc. | 1388222-05-251-1030594 | Professional and technical services | Dec 2, 2024 |
| Walnut Creek, CA | Cdm Smith Inc | 0156177-02-999-0156177 | Professional and technical services | Jan 1, 2003 |
| San Francisco, CA | Cdm Smith Inc | 0156177-04-001-0156177 | Professional and technical services | Jan 20, 2014 |
| San Francisco, CA | Cel Analytical Inc | 0385357-01-001-0385357 | Professional and technical services | Jan 6, 2005 |
| Plymouth, MN | Celcuity Inc. | 1417095-03-261-1181954 | Professional and technical services | Jul 8, 2024 |
| San Francisco, CA | Celer Leve, LLC | 1406871-12-251-1177666 | Professional and technical services | Oct 2, 2025 |
| Walnut Creek, CA | Celerity Consulting Group | 1357189-04-241-0349481 | Professional and technical services | Jul 1, 2018 |
| San Francisco, CA | Celerity Consulting Group Inc | 0349481-01-001-0349481 | Professional and technical services | Mar 16, 2010 |
| San Francisco, CA | Celestial Creative, Inc. | 1235254-10-191-1107223 | Professional and technical services | Oct 2, 2019 |
| San Francisco, CA | Cellarts, Inc | 1333297-05-231-1146830 | Professional and technical services | Apr 17, 2023 |
| San Francisco, CA | Cellsight Techlogies Inc | 0460305-01-001-0460305 | Professional and technical services | Jun 1, 2010 |
| San Francisco, CA | Celtra Inc | 0490414-01-001-0490414 | Professional and technical services | Mar 11, 2013 |
| San Francisco, CA | Centarus Inc | 0444868-01-001-0444868 | Professional and technical services | Oct 1, 2009 |
| San Francisco, CA | Centennial Capital Strategies LLC | 1426808-07-261-1186154 | Professional and technical services | Jun 12, 2026 |
| San Francisco, CA | Centerpoint Partners Inc | 0380301-01-001-0380301 | Professional and technical services | Mar 14, 2011 |
| San Francisco, CA | Central Subway Design Group | 0447023-01-001-0447023 | Professional and technical services | Mar 2, 2010 |
| San Francisco, CA | Central Subway Partnership | 0428691-01-001-0428691 | Professional and technical services | Mar 16, 2009 |
| Lake Mary, FL | Centralsquare Technologies, LLC | 1295078-01-221-1131041 | Professional and technical services | Jan 1, 2022 |
| San Francisco, CA | Cephia Ai, Inc. | 1404850-11-251-1176786 | Professional and technical services | Sep 1, 2025 |
| San Francisco, CA | Cera Llp | 1381242-02-251-0940391 | Professional and technical services | Feb 1, 2025 |
| San Francisco, CA | Cerezeal, LLC | 1427462-07-261-1186436 | Professional and technical services | Jul 1, 2026 |
| Bloomington, MN | Ceridian Hcm Inc | 1017394-01-151-1008350 | Professional and technical services | Jan 2, 2015 |
| Saint Louis, MO | Certara Usa Inc | 1359370-04-241-1157817 | Professional and technical services | Jan 3, 2022 |
| Anaheim, CA | Certifix LLC | 1380177-02-251-1166352 | Professional and technical services | Apr 10, 2024 |
| San Francisco, CA | Cervantes Design Assocs Inc | 0374972-01-001-0374972 | Professional and technical services | Jan 1, 2004 |
| San Francisco, CA | Cfgi, LLC | 1287607-09-211-1128234 | Professional and technical services | Sep 1, 2017 |
| San Francisco, CA | Cfo Rick Inc. | 1289396-10-211-0435544 | Professional and technical services | Sep 1, 2021 |
| San Francisco, CA | Cgactive LLC | 0403823-01-001-0403823 | Professional and technical services | Mar 19, 2008 |
| San Francisco, CA | Cgi Federal Inc | 0486982-01-001-0486982 | Professional and technical services | Jan 1, 2014 |
| Fairfax, VA | Cgi Technologies And Solutions Inc | 1005132-08-141-0368929 | Professional and technical services | Jan 1, 2014 |
| San Francisco, CA | Cgi Technologies And Solutions Inc | 1374537-11-241-0368929 | Professional and technical services | Nov 1, 2024 |
| Charlotte, NC | Ch Advisers LLC | 1417528-04-261-1182132 | Professional and technical services | Mar 1, 2021 |
| San Francisco, CA | Cha-Lon Enterprises | 1315815-10-221-1139476 | Professional and technical services | Apr 1, 2011 |
| San Francisco, CA | Chaldal Inc | 1291577-11-211-1126031 | Professional and technical services | Oct 21, 2021 |
| San Francisco, CA | Chan Punzalan Llp | 1188628-05-181-1087821 | Professional and technical services | Jan 1, 2018 |
| San Francisco, CA | Chan Zuckergerg Biohub Inc | 1167455-11-171-1079139 | Professional and technical services | Jan 18, 2017 |
| Berkeley, CA | Change Research Public Benefit Corp. | 1345024-10-231-1113553 | Professional and technical services | Oct 18, 2023 |
| San Francisco, CA | Channel Performance Inc | 0357615-02-001-0357615 | Professional and technical services | Dec 9, 2011 |
| San Francisco, CA | Chapman And Cutler Llp | 0367467-01-001-0367467 | Professional and technical services | Jun 1, 2003 |
| San Francisco, CA | Chapter Three Inc | 0454621-01-001-0454621 | Professional and technical services | Oct 20, 2010 |
| San Francisco, CA | Chargebotic Inc. | 1434048-10-261-1189276 | Professional and technical services | May 11, 2026 |
| Gardena, CA | Charles E Thomas Co Inc | 1264218-11-201-1119139 | Professional and technical services | Nov 19, 2020 |
| San Francisco, CA | Charles Higueras & Associates LLC | 1368423-08-241-1161292 | Professional and technical services | Jul 1, 2024 |
| San Francisco, CA | Charles M Salter Assocs Inc | 0093572-01-001-0093572 | Professional and technical services | Oct 15, 1975 |
| San Francisco, CA | Charles River Associates | 1232970-09-191-1027813 | Professional and technical services | Jan 29, 2017 |
| Port Washington, NY | Charthop, Inc | 1329542-04-231-1145303 | Professional and technical services | Jan 1, 2023 |
| San Francisco, CA | Chase Roberson Design, LLC | 1292216-11-211-1125287 | Professional and technical services | Nov 1, 2021 |
| San Francisco, CA | Chaslab LLC | 0458042-01-001-0458042 | Professional and technical services | Apr 1, 2011 |
| San Francisco, CA | Chatrbox Inc | 1280712-06-211-1107414 | Professional and technical services | Feb 24, 2020 |
| San Francisco, CA | Chaudhary & Associates Inc | 1052490-02-161-0373613 | Professional and technical services | Feb 1, 2016 |
| San Francisco, CA | Chaves & Associates | 1277833-05-211-0937111 | Professional and technical services | Apr 13, 2016 |
| Redwood City, CA | Check Point Software Technologies Inc | 1366002-07-241-1160315 | Professional and technical services | Jan 1, 2022 |
| New York, NY | Check Technologies, Inc. | 1299021-02-221-1132695 | Professional and technical services | Sep 16, 2019 |
| San Francisco, CA | Cheers On Demand, Inc | 1271345-03-211-1122107 | Professional and technical services | Aug 1, 2017 |
| San Francisco, CA | Chef Robotics, Inc. | 1397234-08-251-1117843 | Professional and technical services | Apr 18, 2025 |
| San Francisco, CA | Chek Tan And Company | 1128886-12-161-1027052 | Professional and technical services | Nov 1, 2016 |
| San Francisco, CA | Cherry Hill Programs, Inc. | 1302702-04-221-1134217 | Professional and technical services | Apr 1, 2022 |
| Morris Plains, NJ | Cherryroad Technologies Inc | 0401552-02-999-0401552 | Professional and technical services | Jan 1, 2010 |
| San Francisco, CA | Chestnut Group Co | 1321129-01-231-1141754 | Professional and technical services | Jan 2, 2023 |
| Union City, CA | Chh Consulting Services, LLC | 1387089-04-251-1169245 | Professional and technical services | Sep 22, 2024 |
| San Francisco, CA | Chiang Architectural Corp | 1129691-12-161-0399290 | Professional and technical services | Dec 8, 2016 |
| San Francisco, CA | Chiang Architectural Corp | 0399290-01-001-0399290 | Professional and technical services | May 25, 2006 |
| San Francisco, CA | Chiawang Structural Engineering Inc | 1423679-05-261-1066766 | Professional and technical services | May 1, 2026 |
| Rockville, MD | Child Trends, Incorporated | 1351057-01-241-1154362 | Professional and technical services | Jan 24, 2024 |
| San Francisco, CA | Chima Inc | 1386073-04-251-1168815 | Professional and technical services | Apr 15, 2025 |
| San Francisco, CA | Chinese Journal LLC | 1224224-06-191-0396692 | Professional and technical services | Apr 1, 2019 |
| San Francisco, CA | Chiniwalla LLC | 1410679-02-261-1179312 | Professional and technical services | Oct 15, 2025 |
| San Francisco, CA | Chloe Jackman Studios LLC | 1306349-05-221-1135606 | Professional and technical services | Jan 18, 2022 |
| Concord, CA | Choate Parking Consultants, Inc. | 1336693-06-231-1148159 | Professional and technical services | Jun 1, 2023 |
| San Francisco, CA | Choulos, Choulos & Wyle, Llp | 1361839-05-241-0193483 | Professional and technical services | Oct 2, 2023 |
| San Francisco, CA | Chow Associates | 0341675-02-003-0341675 | Professional and technical services | Aug 1, 2008 |
| San Francisco, CA | Chow Associates | 0341675-02-002-0341675 | Professional and technical services | Jun 1, 2008 |
| San Francisco, CA | Chris Masterson LLC | 1197017-08-181-1091090 | Professional and technical services | Feb 6, 2018 |
| San Francisco, CA | Chris Willard Communications LLC | 1350661-01-241-1154176 | Professional and technical services | Jan 15, 2024 |
| San Francisco, CA | Christian Martin + Associates | 1249968-04-201-1113421 | Professional and technical services | Apr 3, 2020 |
| San Francisco, CA | Christina Dreyer Inc | 1257982-08-201-0432863 | Professional and technical services | Jun 9, 2020 |
| San Francisco, CA | Christina Schmidhofer Photography Inc. | 1262981-10-201-0441284 | Professional and technical services | Mar 1, 2019 |
| San Francisco, CA | Christine Selig Associates | 0471027-01-001-0471027 | Professional and technical services | Jul 17, 2012 |
| San Francisco, CA | Chroma Sf, LLC | 1305031-05-221-1019857 | Professional and technical services | Aug 1, 2021 |
| San Francisco, CA | Chrome Monarchy LLC | 1390980-06-251-1170792 | Professional and technical services | Jun 3, 2025 |
| San Francisco, CA | Chronis & Kreher Llp | 1390627-05-251-0381469 | Professional and technical services | Apr 1, 2025 |
Alphabetical order — this site ranks no one. Open company locations in the San Francisco Treasurer & Tax Collector file of October 2, 2026. Individuals are not on this site. How to read this.