Construction — page 12 of 18
5,235 open company locations, self-reported NAICS sector “Construction”.
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| Place | Company | Location ID | Industry | Since |
|---|---|---|---|---|
| Newhall, CA | Nationwide Shotcrete Inc | 1009690-10-141-1005015 | Construction | Sep 15, 2014 |
| Belmont, CA | Natural Slate Roofing Inc | 1185430-04-181-1086513 | Construction | Apr 18, 2018 |
| San Francisco, CA | Nature House Plumbing & Electrical, Inc | 1310569-07-221-1137253 | Construction | Jul 18, 2022 |
| Burlingame, CA | Navta Construction Inc | 1362633-05-241-1158989 | Construction | May 30, 2024 |
| San Francisco, CA | Nbc Construction & Engineering Inc. | 1245855-02-201-1111680 | Construction | Feb 6, 2020 |
| Pinole, CA | Nbs General Contractor Inc | 1404403-11-251-1176579 | Construction | Nov 5, 2025 |
| Union City, CA | Nc Flooring Group, Inc. | 1419510-04-261-0440716 | Construction | Apr 1, 2026 |
| Walnut Creek, CA | Nc Roofing Solution Inc | 1346675-11-231-1152467 | Construction | Nov 13, 2023 |
| Castro Valley, CA | Nck Drywall Inc | 1405583-12-251-1177110 | Construction | Oct 1, 2025 |
| Emerald Hills, CA | Ncls Building Contractor, Inc. | 1356466-03-241-1118840 | Construction | Mar 1, 2024 |
| San Francisco, CA | Ncp General Contracting Inc | 1243286-01-201-1110679 | Construction | Jan 17, 2020 |
| Oakland, CA | Ncr Construction Inc | 0362256-02-999-0362256 | Construction | Jan 1, 2014 |
| Fairfield, CA | Neal's Painting Company Inc | 1294954-01-221-1130986 | Construction | Jan 10, 2022 |
| Santa Rosa, CA | Nebel Plumbing, Inc. | 1298965-02-221-1132674 | Construction | Feb 24, 2022 |
| San Francisco, CA | Neeve Engineering Inc | 1215108-03-191-1099205 | Construction | Oct 1, 2018 |
| San Francisco, CA | Neeve Engineering Inc | 1272768-03-211-1099205 | Construction | Nov 1, 2018 |
| San Mateo, CA | Nelson Jameson Construction Inc | 1040222-09-151-1018717 | Construction | Sep 22, 2015 |
| Hayward, CA | Nelson T. Lewis Construction Co Inc | 1014031-12-141-1006826 | Construction | Dec 15, 2014 |
| San Francisco, CA | Neng Construction Inc | 1233352-09-191-1106422 | Construction | Sep 10, 2019 |
| Redwood City, CA | Nery Tile & Stone, Inc. | 1209306-01-191-1096660 | Construction | Mar 1, 2018 |
| San Francisco, CA | Net Electric, Inc | 1198981-08-181-1091968 | Construction | Aug 27, 2018 |
| San Francisco, CA | Network Direct Solutions Inc. | 1433982-10-261-1189250 | Construction | Oct 1, 2026 |
| Sausalito, CA | Neural Ai, Inc | 1430962-08-261-1187944 | Construction | Aug 26, 2026 |
| Brea, CA | Nevell Group, Inc - Norcal | 1090747-08-161-1043176 | Construction | Aug 19, 2016 |
| San Francisco, CA | New Century Management LLC | 0315011-01-007-0315011 | Construction | Dec 3, 2007 |
| San Francisco, CA | New Century Management LLC | 0315011-01-006-0315011 | Construction | Dec 3, 2007 |
| South San Francisco, CA | New Century Remodel & Construction Inc | 1013612-12-141-1006622 | Construction | Jun 24, 2014 |
| Antioch, CA | New Century Roofing & Electric Inc | 1380111-02-251-1166322 | Construction | Feb 6, 2025 |
| San Francisco, CA | New City Roofing Co Inc | 1342225-09-231-1092842 | Construction | Jan 1, 2023 |
| Sanger, CA | New Generation Cabinet Installations, Inc. | 1239143-11-191-1108850 | Construction | Nov 22, 2019 |
| San Francisco, CA | New High Protection Corp | 0390294-02-001-0390294 | Construction | Jan 6, 2014 |
| San Francisco, CA | New Ihome Construction Inc. | 1405173-12-251-1176926 | Construction | Dec 3, 2025 |
| San Francisco, CA | New Land Construction Company | 0915719-01-001-0915719 | Construction | Feb 7, 2000 |
| Salida, CA | New Line Door Inc | 1376996-12-241-1164947 | Construction | Dec 24, 2024 |
| San Francisco, CA | New Pacific Roofing Company In | 0358119-01-001-0358119 | Construction | Aug 1, 2002 |
| San Francisco, CA | New Star Construction Inc | 1135679-02-171-0359738 | Construction | Feb 8, 2017 |
| Tiburon, CA | Newbury Construction Co | 1433017-09-261-1188813 | Construction | Sep 16, 2026 |
| Vallejo, CA | Newcap Roofing, Inc, | 1428417-07-261-1186868 | Construction | Jul 27, 2026 |
| San Jose, CA | Newhaus Construction Inc | 1399640-09-251-1129807 | Construction | Sep 17, 2025 |
| San Francisco, CA | Newly Renovated Inc. | 1404948-11-251-1176830 | Construction | Nov 26, 2025 |
| San Francisco, CA | Newman Gener Contruction Inc | 0483555-01-001-0483555 | Construction | Oct 1, 2013 |
| Melbourne, FL | Nextech LLC | 1340364-08-231-1149703 | Construction | Aug 14, 2023 |
| Richmond, CA | Nextline Electric Inc | 1407250-01-261-1177837 | Construction | Jan 5, 2026 |
| San Francisco, CA | Ng S Electrical Inc | 1235152-10-191-1107182 | Construction | Sep 30, 2019 |
| San Francisco, CA | Ngl Electric Inc | 1431662-09-261-1188217 | Construction | Sep 1, 2026 |
| San Francisco, CA | Nibbi Bros. Associates, Inc. | 1022808-03-151-0380935 | Construction | Feb 17, 2015 |
| San Francisco, CA | Nibbi Brothers Inc | 1022783-03-151-0020628 | Construction | Feb 17, 2015 |
| Cuddy, PA | Nicholson Construction Company | 0454075-01-999-0454075 | Construction | Mar 1, 2011 |
| Brisbane Q4068 | Nicholson D W Corporation | 0054358-01-999-0054358 | Construction | Jan 1, 1969 |
| San Mateo, CA | Nick Mejia Painting Inc. | 1266145-12-201-1119927 | Construction | Nov 1, 2020 |
| Petaluma, CA | Nick's Plumbing Solutions Inc | 1337968-07-231-1148709 | Construction | Jul 1, 2023 |
| Hayward, CA | Nieto Valle Construction Inc | 1041684-10-151-1019466 | Construction | Oct 8, 2015 |
| Pacifica, CA | Nigel Mulgrew Plumbing Inc | 1200294-09-181-0489866 | Construction | Sep 11, 2018 |
| Pacifica, CA | Nigel Mulgrew Plumbing, Inc. | 1388065-05-251-0489866 | Construction | May 6, 2025 |
| San Rafael, CA | Nima Construction Company | 1045355-11-151-1021259 | Construction | Nov 23, 2015 |
| Burlingame, CA | Nino's Hardwood Floors Inc | 1089558-08-161-1042601 | Construction | Aug 16, 2016 |
| San Jose, CA | Nk Building Construction Group | 1407880-01-261-1178130 | Construction | Jan 12, 2026 |
| San Francisco, CA | Nk Construction And Real Estate Development LLC | 1383070-03-251-1167548 | Construction | Dec 14, 2023 |
| Sacramento, CA | Nmi Industrial Holdings LLC | 1377400-01-251-1075181 | Construction | Jan 1, 2025 |
| San Francisco, CA | Nmsr LLC | 1293307-12-211-1130338 | Construction | Jul 1, 2021 |
| San Francisco, CA | Nob Hill Construction, Inc. | 1364773-06-241-1024530 | Construction | Jun 26, 2024 |
| Burlingame, CA | Noble Construction Services, LLC | 1277529-05-211-1124374 | Construction | Oct 27, 2020 |
| Richmond, CA | Noble Insulation Inc. | 1324952-02-231-1143372 | Construction | Jul 11, 2022 |
| San Rafael, CA | Nolan Construction Inc | 1399775-09-251-1038966 | Construction | Sep 1, 2025 |
| Sausalito, CA | Noni Homes Inc | 1407028-01-261-1177739 | Construction | Jan 1, 2026 |
| Rohnert Park, CA | Nor Cal Glass Products, Inc. | 1280415-06-211-1008416 | Construction | Jun 21, 2021 |
| Santa Rosa, CA | Nor Cal Glass Products, Inc. | 1410692-02-261-1008416 | Construction | Feb 10, 2026 |
| Sonora, CA | Nor-Cal Glass Inc | 1346895-11-231-1152565 | Construction | Nov 16, 2023 |
| Oakley, CA | Nor-Cal Overhead Inc. | 1304727-05-221-1032193 | Construction | Apr 1, 2022 |
| Brentwood, CA | Nor-Cal Overhead, Inc. | 1065860-05-161-1032193 | Construction | Dec 21, 2015 |
| Richmond, CA | Nor-Cal Scaffolding Inc | 1034239-07-151-0370289 | Construction | Jul 29, 2015 |
| Morgan Hill, CA | Nor-Cal Specialties, Inc. | 1387770-05-251-0445936 | Construction | Dec 27, 2024 |
| San Jose, CA | Norcal Construction & Maintenance, Inc. | 1365376-07-241-1160057 | Construction | Jul 2, 2024 |
| Richmond, CA | Norcal Demolition LLC | 1377606-01-251-1165216 | Construction | Apr 1, 2024 |
| San Francisco, CA | Norcal Flooring Inc | 0452200-01-001-0452200 | Construction | Aug 6, 2010 |
| Woodland, CA | Norcal State Builders Inc | 1381055-02-251-1166723 | Construction | Feb 18, 2025 |
| San Jose, CA | Nordic Painting Inc. | 1355758-03-241-1156318 | Construction | Mar 14, 2024 |
| San Francisco, CA | Noriega Navigators LLC | 1399890-09-251-1174584 | Construction | Jul 25, 2024 |
| San Rafael, CA | Norman Charles Const. Inc. | 0351753-01-999-0351753 | Construction | Apr 1, 2001 |
| Minnetonka, MN | Norstan Communications Inc | 0365492-01-999-0365492 | Construction | May 1, 2003 |
| Altamonte Springs, FL | North American Subst Srvcs LLC | 0452865-01-999-0452865 | Construction | Sep 17, 2010 |
| Benicia, CA | North Bay Air Systems Inc | 0385094-03-999-0385094 | Construction | Oct 16, 2013 |
| San Francisco, CA | North Bay Construction, LLC | 1419019-04-261-0470933 | Construction | Jan 6, 2026 |
| San Rafael, CA | North Bay Overhead Doors Inc | 0369642-01-999-0369642 | Construction | Sep 1, 2003 |
| Rohnert Park, CA | North Bay Premium Painting LLC | 1307776-06-221-1136175 | Construction | Jun 15, 2022 |
| San Francisco, CA | North Coast Electric Inc | 1130793-12-161-1062771 | Construction | Dec 22, 2016 |
| Stinson Beach, CA | North Coast Tile & Stone Inc. | 1425851-06-261-1167394 | Construction | Jun 23, 2026 |
| Sonoma, CA | North Coast Waterproofing Inc | 0449591-01-999-0449591 | Construction | May 27, 2010 |
| Benicia, CA | North Construction Service Inc | 0329359-03-999-0329359 | Construction | Apr 1, 2004 |
| Sonoma, CA | North Counties Drywall, Inc. | 1362837-05-241-0479451 | Construction | May 31, 2024 |
| San Francisco, CA | North Gate Builders Inc | 0365554-01-001-0365554 | Construction | Apr 8, 2003 |
| Vancouver, WA | North Sky Communications LLC | 1388591-05-251-1169850 | Construction | May 12, 2025 |
| San Francisco, CA | North South Plumbing Inc | 1253756-06-201-0404408 | Construction | Dec 2, 2019 |
| San Francisco, CA | North South Plumbing Inc. | 1189717-05-181-0404408 | Construction | Jan 1, 2014 |
| San Leandro, CA | North Star Electrical LLC | 1384424-03-251-1168119 | Construction | Mar 25, 2025 |
| San Francisco, CA | North Star Plumbing & Fire Protection Inc | 1327021-03-231-1071616 | Construction | Jan 1, 2023 |
| Rancho Cordova, CA | North State Electrical Contractors, Inc | 1429094-08-261-1187140 | Construction | Aug 1, 2026 |
| San Rafael, CA | Northbay Home Construction Solutions, Inc | 1335376-06-231-1117759 | Construction | Jun 12, 2023 |
| Novato, CA | Northbay Stone Works Inc | 1352526-02-241-1155002 | Construction | Feb 1, 2024 |
| San Francisco, CA | Northern Elevator Company Inc | 1136840-02-171-1065793 | Construction | Jan 1, 2016 |
| S San Fran, CA | Northern Sun Inc | 0340130-01-999-0340130 | Construction | Oct 1, 2000 |
| San Rafael, CA | Northgate Acoustics, Inc | 0422222-01-999-0422222 | Construction | Oct 1, 2007 |
| Martinez, CA | Northington Innovations Inc | 1219448-04-191-1101036 | Construction | Apr 22, 2019 |
| Fremont, CA | Northland Control Systems, Inc. | 1281651-07-211-0366227 | Construction | Aug 1, 2019 |
| Milpitas, CA | Northland Control Systems, Inc. | 1281649-07-211-0366227 | Construction | Oct 1, 2017 |
| San Francisco, CA | Northshore Build, LLC | 1277838-05-211-1124500 | Construction | May 3, 2021 |
| San Francisco, CA | Northside Holdings LLC | 1416309-03-261-1179496 | Construction | Sep 6, 2023 |
| Danville, CA | Northstar Solar Inc. | 1237868-11-191-1108300 | Construction | Nov 5, 2019 |
| San Francisco, CA | Northwest Demolition Inc | 0333810-01-001-0333810 | Construction | Feb 15, 2000 |
| Long Island City, NY | Nouveau California, LLC | 1321715-01-231-1142000 | Construction | Jan 2, 2023 |
| Napa, CA | Nova Designs Builds Inc | 1409954-02-261-0348375 | Construction | Jul 1, 2001 |
| San Francisco, CA | Nova East Design Build Co | 1284650-08-211-1127106 | Construction | Aug 18, 2021 |
| Daly City, CA | Novelty Construction Inc. | 1345698-10-231-1152040 | Construction | Oct 31, 2023 |
| Menlo Park, CA | Novo Construction Inc | 0347894-02-999-0347894 | Construction | Jan 1, 2003 |
| Menomonee Falls, WI | Novum Structures LLC | 1066047-05-161-1032265 | Construction | Jan 1, 2016 |
| Daly City, CA | Nrg Electric Co | 0379938-01-999-0379938 | Construction | Sep 10, 2004 |
| San Jose, CA | Nrg Electric Inc. | 1396076-08-251-1172942 | Construction | Aug 1, 2025 |
| San Francisco, CA | Nrs Construction Inc. | 1432148-09-261-1188437 | Construction | Sep 10, 2026 |
| San Francisco, CA | Nth Degree Inc | 1365570-07-241-0347437 | Construction | Sep 1, 2011 |
| San Francisco, CA | Ntk Construction Inc | 0385576-01-001-0385576 | Construction | May 17, 2007 |
| Alameda, CA | Number One Hardwood Floors Inc. | 1339308-07-231-1149244 | Construction | Jul 31, 2023 |
| Livingston, CA | Nuno Electric LLC | 1426225-06-261-1185893 | Construction | Jun 27, 2026 |
| Mountain View, CA | Nur Hvac Inc | 1345175-10-231-1151817 | Construction | Oct 22, 2023 |
| San Francisco, CA | Nurture Source Partners LLC | 1293279-12-211-1130326 | Construction | Dec 10, 2021 |
| Emeryville, CA | Nzilani Glass Conservation LLC | 1021639-03-151-1010441 | Construction | Jan 1, 2013 |
| San Jose, CA | O C Mcdonald Company Inc | 1012184-11-141-1006048 | Construction | Nov 1, 2014 |
| Vallejo, CA | O Vargas Construction Inc | 1301227-03-221-1133611 | Construction | Mar 29, 2022 |
| San Francisco, CA | O'brien Contracting Inc | 1343522-09-231-1039403 | Construction | Feb 28, 2020 |
| San Francisco, CA | O'brien Mechanical, Inc | 0321828-01-001-0321828 | Construction | Jan 1, 1999 |
| Stockton, CA | O'brien Steel Erectors Inc | 1405799-12-251-1177200 | Construction | Dec 1, 2025 |
| San Francisco, CA | O'conaire Construction Inc | 1289846-10-211-1083524 | Construction | Oct 25, 2021 |
| San Francisco, CA | O'donoghue Construction Inc | 0450139-01-001-0450139 | Construction | Jun 16, 2010 |
| San Bruno, CA | O'dowd Plumbing Inc | 0398132-01-999-0398132 | Construction | Jan 1, 2006 |
| Burlingame, CA | O'dwyer Construction Inc | 1194441-07-181-1089934 | Construction | Jul 1, 2018 |
| South San Francisco, CA | O'dwyer Plastering & Stucco Inc | 1009166-10-141-1004800 | Construction | Oct 9, 2014 |
| San Francisco, CA | O'kane Constuction LLC | 1029046-05-151-1013864 | Construction | May 26, 2015 |
| San Francisco, CA | O'keeffe Construction Inc | 0353390-01-001-0353390 | Construction | Jan 22, 2010 |
| San Rafael, CA | O'neill & Neville Construction Inc. | 1185368-04-181-1039917 | Construction | Apr 17, 2018 |
| San Rafael, CA | O'neill Construction Inc | 0315303-03-999-0315303 | Construction | Jan 1, 2006 |
| Pittsburg, CA | O'pro Construction Inc | 1162191-09-171-1076626 | Construction | Sep 26, 2017 |
| San Francisco, CA | O'reilly Tile Design Inc Dba Reilly Home Interiors | 1364087-06-241-1015813 | Construction | Aug 18, 2022 |
| San Francisco, CA | O'shea Co. Home Grown Construction LLC | 1258755-08-201-1116992 | Construction | Aug 27, 2020 |
| San Francisco, CA | O'toole Construction Inc | 1393413-07-251-1171773 | Construction | Jul 1, 2025 |
| San Carlos, CA | Oakview Construction LLC | 1363183-06-241-1159211 | Construction | Jun 3, 2024 |
| San Francisco, CA | Oarcon Inc. | 1129629-12-161-1062220 | Construction | Dec 8, 2016 |
| San Francisco, CA | Obc Inc | 1179943-02-181-1084006 | Construction | Jan 1, 2018 |
| San Francisco, CA | Obs Engineering, Inc. | 1277934-05-211-1089708 | Construction | Jul 2, 2018 |
| San Francisco, CA | Obs Engineering, Inc. | 1193886-07-181-1089708 | Construction | Jul 2, 2018 |
| Berkeley, CA | Oc Jones & Sons Inc | 0333222-01-999-0333222 | Construction | Mar 1, 1999 |
| San Francisco, CA | Ocal Builders Inc | 0419777-01-001-0419777 | Construction | Jul 12, 2007 |
| San Jose, CA | Ocean 100 Electric Inc | 1388199-05-251-1169708 | Construction | May 7, 2025 |
| Castro Valley, CA | Ocean Remodel Inc | 1426737-07-261-1186118 | Construction | Jul 6, 2026 |
| San Francisco, CA | Oceanview Construction Co | 0400132-01-001-0400132 | Construction | Feb 12, 2008 |
| Phoenix, AZ | Octane Design, LLC | 1360178-05-241-1158147 | Construction | May 6, 2024 |
| San Francisco, CA | Octavia Court Inc | 1084360-07-161-0469537 | Construction | Jan 1, 2012 |
| San Francisco, CA | Octavia Court Inc | 1083194-07-161-0469537 | Construction | Oct 17, 2006 |
| Woodland, CA | Odell Construction Inc | 1428546-07-261-1186920 | Construction | Jul 28, 2026 |
| San Jose, CA | Odom Electric, Inc. | 1432123-09-261-1188425 | Construction | Sep 1, 2026 |
| San Francisco, CA | Odonovan Plumbing Inc | 0475345-01-001-0475345 | Construction | Jan 2, 2013 |
| San Jose, CA | Office Automation Group, Inc. | 1312663-08-221-0396152 | Construction | May 31, 2006 |
| Hayward, CA | Office Installers Team LLC | 1375498-11-241-1164270 | Construction | Nov 25, 2024 |
| San Francisco, CA | Ogden Contract Interiors Inc | 0149371-01-001-0149371 | Construction | Sep 1, 2010 |
| Mountain View, CA | Ogrady Paving Inc | 0163105-02-999-0163105 | Construction | Sep 1, 2009 |
| Petaluma, CA | Ohana Construction Inc. | 1431297-08-261-1188069 | Construction | Aug 31, 2026 |
| Sacramento, CA | Ohana Renovations Inc. | 1283028-07-211-1126478 | Construction | Jul 26, 2021 |
| Azusa, CA | Oj Insulation Lp | 0454306-01-999-0454306 | Construction | Nov 15, 2010 |
| San Francisco, CA | Okane Structural Steel Inc | 1100755-08-161-1048152 | Construction | Aug 22, 2014 |
| San Francisco, CA | Okeeffe Mechanical Co., Inc. | 1367274-07-241-0924301 | Construction | May 6, 2021 |
| Pacifica, CA | Olcan Construction, Inc. | 1215153-03-191-1099231 | Construction | Sep 1, 2018 |
| San Francisco, CA | Olcote Builders Inc | 1375242-11-241-1164178 | Construction | Nov 10, 2024 |
| San Francisco, CA | Old Sod Construction, Inc | 1410811-02-261-0329885 | Construction | Aug 16, 2019 |
| Novato, CA | Old Town Glass Inc | 0403373-01-999-0403373 | Construction | Nov 6, 2006 |
| San Francisco, CA | Olive Construction Inc | 1367994-08-241-1091970 | Construction | Aug 8, 2024 |
| Mexico | Oliveira Fence Inc | 0195733-01-999-0195733 | Construction | Jun 1, 1990 |
| Richmond, CA | Oliver & Company | 0955397-01-999-0955397 | Construction | Aug 21, 1996 |
| San Francisco, CA | Olmec Builders Inc. | 1235418-10-191-1107280 | Construction | Oct 1, 2019 |
| San Leandro, CA | Olson & Co Steel | 0364811-01-999-0364811 | Construction | Nov 1, 2002 |
| Union City, CA | Om3, Inc | 1305503-05-221-1121230 | Construction | Jan 3, 2022 |
| Santa Clara, CA | Om3, Inc | 1366211-07-241-1121230 | Construction | Jul 1, 2024 |
| North Highlands, CA | Omak Construction Inc. | 1257404-08-201-1116459 | Construction | Aug 6, 2020 |
| San Jose, CA | Omni Sheet Metal Inc | 0447628-02-999-0447628 | Construction | Jul 12, 2013 |
| Hayward, CA | Omnistone Masonry Inc | 0418739-03-999-0418739 | Construction | Dec 9, 2009 |
| San Francisco, CA | On The Level Concrete, LLC | 1290138-10-211-0423763 | Construction | Oct 1, 2020 |
| San Francisco, CA | On Tung Inc | 1030106-06-151-1014321 | Construction | Jun 4, 2015 |
| Livermore, CA | On-Site Commercial Services, Inc | 1248364-03-201-1112716 | Construction | Mar 6, 2020 |
| Walnut Creek, CA | One & Only Electrical Service Inc | 1404277-11-251-1176519 | Construction | Nov 13, 2025 |
| Norcross, GA | One Diversified, LLC | 1146750-05-171-1070336 | Construction | May 17, 2017 |
| Atherton, CA | One Source Engeneering Inc | 0377020-02-999-0377020 | Construction | Apr 1, 2009 |
| San Rafael, CA | One Stop Plastering Inc | 1022517-03-151-1010891 | Construction | Mar 11, 2015 |
| West Sacramento, CA | One Touch Media, Inc | 1316148-10-221-1139619 | Construction | Jan 1, 2021 |
| San Francisco, CA | Only Kitchens And Baths Inc | 1323253-02-231-1142661 | Construction | Jan 31, 2023 |
| Novato, CA | Onspot Welding & Design Inc | 1021099-03-151-1010210 | Construction | Jan 1, 2015 |
| Ontario, CA | Ontario Refrigeration Service Inc | 1049693-01-161-1023354 | Construction | Jan 1, 2016 |
| El Cajon, CA | Onyx Building Group, Inc. | 1176530-01-181-1082527 | Construction | Jan 1, 2017 |
| Pleasanton, CA | Onzone Heating & Cooling Inc | 1429248-08-261-1187203 | Construction | Aug 5, 2026 |
| San Jose, CA | Opi Commercial Builders, Inc. | 1230119-08-191-0485871 | Construction | Jan 1, 2016 |
| San Jose, CA | Optimal Earthworks And Grading Inc. | 1425971-06-261-1185786 | Construction | Jun 24, 2026 |
| San Jose, CA | Opulent Bay Homes Inc | 1349965-01-241-1153876 | Construction | Jan 8, 2024 |
| San Francisco, CA | Oran Plumbing Corp. | 1153579-07-171-0489141 | Construction | May 31, 2017 |
| San Jose, CA | Orbis Electrical Works Inc. | 1252992-06-201-1114645 | Construction | Jun 2, 2020 |
| San Francisco, CA | Orbit Holding Company,LLC | 1189894-05-181-1088350 | Construction | May 1, 2018 |
| San Francisco, CA | Orchard Construction Inc | 1406129-12-251-1087779 | Construction | Nov 1, 2025 |
| San Bruno, CA | Ore Construction & Roofing, Inc | 1389070-05-251-1170043 | Construction | May 14, 2025 |
| San Francisco, CA | Oriental Stair Co. | 1388052-05-251-1105014 | Construction | Aug 3, 2019 |
| San Francisco, CA | Orit Yanai Inc | 0401074-01-001-0401074 | Construction | Jul 8, 2005 |
| San Francisco, CA | Orit Yanai Inc. | 1274831-04-211-0401074 | Construction | Apr 1, 2021 |
| Rohnert Park, CA | Osbaldo Construction Inc | 1401850-10-251-1175423 | Construction | Oct 10, 2025 |
| Peachtree City, GA | Osmose Utilities Services, Inc. | 1071333-05-161-1034777 | Construction | May 18, 2016 |
| Novato, CA | Osmun Construction Inc | 1311296-08-221-1137560 | Construction | Aug 1, 2022 |
| Novato, CA | Osmun G LLC | 1359037-04-241-1157674 | Construction | Jan 1, 2024 |
| San Francisco, CA | Ot Bay Builders Sf Remodeling And Construction Inc. | 1418079-04-261-1141574 | Construction | Apr 7, 2025 |
| San Francisco, CA | Otis Elevator Co | 0021396-01-003-0021396 | Construction | Mar 13, 2005 |
| San Francisco, CA | Otis Elevator Co | 0021396-01-002-0021396 | Construction | Jan 1, 1991 |
| San Francisco, CA | Otis Elevator Co | 0021396-01-001-0021396 | Construction | Jan 1, 2004 |
| Burlingame, CA | Otto Miller Development Inc | 1121430-09-161-1058432 | Construction | Sep 28, 2016 |
| Truckee, CA | Outerlands Design Inc | 1148822-05-171-1071213 | Construction | May 22, 2017 |
| Truckee, CA | Outerlands Design Inc. | 1270728-03-211-1071213 | Construction | Jan 1, 2021 |
| Oakland, CA | Over The Woodsman Builder, Inc | 1393402-07-251-1171769 | Construction | Jul 1, 2025 |
| Sacramento, CA | Ow Builders LLC | 1349283-12-231-1153585 | Construction | Dec 18, 2023 |
| San Francisco, CA | Owa Steel Inc | 0203809-01-001-0203809 | Construction | Jan 1, 1991 |
| San Francisco, CA | Owens Design Build Inc | 1173854-12-171-1028066 | Construction | Oct 23, 2017 |
| Oakland, CA | Owow Construction LLC | 1285967-09-211-1127636 | Construction | Aug 1, 2021 |
| San Francisco, CA | Oz Electrical Solutions Inc | 1403669-11-251-1176237 | Construction | Oct 31, 2025 |
| Tracy, CA | Ozie Electric Inc. | 1433907-09-261-1189218 | Construction | Sep 30, 2026 |
| Daly City, CA | Ozkr Company | 1385944-04-251-1168758 | Construction | Mar 31, 2025 |
| San Leandro, CA | P J Electric Co | 0376778-01-999-0376778 | Construction | Apr 23, 2004 |
| San Francisco, CA | P J M Construction LLC | 1223045-05-191-1102357 | Construction | May 26, 2019 |
| San Francisco, CA | P O P Plumbing Inc | 0320395-01-002-0320395 | Construction | Nov 1, 2010 |
| El Granada, CA | P Power Construction Inc | 1430082-08-261-1008095 | Construction | Aug 1, 2026 |
| San Francisco, CA | P&S Realty, LLC | 0364334-03-001-0364334 | Construction | Sep 2, 2011 |
| San Carlos, CA | P.A. Bet, Inc. | 1195250-07-181-1090277 | Construction | Apr 10, 2017 |
| San Carlos, CA | P.I. Electric, Inc. | 1153817-07-171-1073080 | Construction | Jan 5, 2017 |
| Burlingame, CA | P.L. Annuzzi,Inc. | 0317886-01-999-0317886 | Construction | Jan 1, 1998 |
| San Francisco, CA | P3 Construction & Remodeling, Inc. | 1383279-03-251-0444783 | Construction | Mar 12, 2025 |
| San Francisco, CA | Pac Door Closer Co | 0104443-01-001-0104443 | Construction | May 19, 2009 |
| San Rafael, CA | Pac West Painting Inc | 0933940-02-999-0933940 | Construction | Jan 31, 2013 |
| San Francisco, CA | Pacheco Builders Inc | 0449252-01-001-0449252 | Construction | May 5, 2010 |
| Caruthers, CA | Pacific Boring, Inc. | 1260513-09-201-1117665 | Construction | Sep 22, 2020 |
| Sunnyvale, CA | Pacific Coast Trane Company | 0149905-03-999-0149905 | Construction | Oct 22, 1994 |
| Sunnyvale, CA | Pacific Coast Trane Service Co | 0149905-04-999-0149905 | Construction | Oct 22, 1994 |
| Millbrae, CA | Pacific Construction Company Inc | 1319575-12-221-1141080 | Construction | Dec 5, 2022 |
| San Francisco, CA | Pacific Construction Inc | 1347623-11-231-1152889 | Construction | Nov 30, 2023 |
| San Francisco, CA | Pacific Core Builders Group In | 0465269-01-001-0465269 | Construction | Jan 4, 2012 |
| San Rafael, CA | Pacific Edge Construction Inc | 1087219-08-161-1007016 | Construction | Jun 1, 2016 |
| Rocklin, CA | Pacific Erectors Inc | 0205802-03-999-0205802 | Construction | Jan 1, 2010 |
| San Francisco, CA | Pacific Gateway Builders Inc | 1405204-12-251-1176940 | Construction | Dec 2, 2025 |
| San Francisco, CA | Pacific Green Construction, Inc | 1305139-05-221-1135170 | Construction | May 1, 2022 |
| Cupertino, CA | Pacific Northstar Mechanical Inc | 1155331-07-171-1073767 | Construction | Jul 24, 2017 |
| San Francisco, CA | Pacific Pars Construction LLC | 1343038-09-231-1150902 | Construction | Aug 31, 2023 |
| Fairfield, CA | Pacific Plastering Corporation | 1235647-10-191-1107377 | Construction | Sep 23, 2019 |
| Sunnyvale, CA | Pacific Ridge Builders, Inc. | 1379775-02-251-1166167 | Construction | Feb 3, 2025 |
| San Francisco, CA | Pacific Roofing Co | 0938547-02-001-0938547 | Construction | Nov 8, 2012 |
| San Francisco, CA | Pacific Scaffold Co Inc | 0392528-01-001-0392528 | Construction | Jan 1, 2008 |
| Oakland, CA | Pacific Scaffold Co, Inc | 1310155-07-221-0392528 | Construction | Jan 1, 2008 |
| Oakland, CA | Pacific Screen And Shade, Inc. | 1089611-08-161-1042627 | Construction | Aug 16, 2016 |
| San Francisco, CA | Pacific Shores Construction Co | 0912547-01-001-0912547 | Construction | Apr 1, 1992 |
| San Francisco, CA | Pacific Smart Network Inc. | 1430698-08-261-1187833 | Construction | Aug 21, 2026 |
| Pleasanton, CA | Pacific States Envir Cont Inc | 0347419-01-999-0347419 | Construction | Jul 17, 2001 |
| San Francisco, CA | Pacific States Insulation & Acoustical Contracting Inc. | 1212273-02-191-1097989 | Construction | Jan 1, 2017 |
| San Diego, CA | Pacific Steel Group | 1030514-06-151-1014501 | Construction | Jun 10, 2015 |
| San Francisco, CA | Pacific Structures Inc. | 1284172-08-211-0453418 | Construction | Dec 31, 2020 |
| Fremont, CA | Pacific Surfacing LLC | 1327806-03-231-1144542 | Construction | Mar 16, 2023 |
| Rancho Cordova, CA | Pacific Valley Fire Protection, Inc. | 1395656-07-251-1172760 | Construction | Jul 28, 2025 |
| Sunnyvale, CA | Pacific Water Art Inc | 1028030-05-151-0942903 | Construction | May 1, 2011 |
| Lathrop, CA | Pacific Wide Builders Inc | 1079380-06-161-1038542 | Construction | Jun 1, 2016 |
| Hayward, CA | Padilla Custom Homes Inc | 1394031-07-251-1172053 | Construction | Jun 16, 2025 |
| San Rafael, CA | Pagan Construction LLC | 1270596-03-211-0353313 | Construction | Dec 1, 2017 |
| San Francisco, CA | Pagco Construction Inc | 1228669-07-191-0946350 | Construction | Jul 22, 2019 |
| Bay Point, CA | Painters, Inc. | 1359560-04-241-1157900 | Construction | Feb 20, 2024 |
| Belmont, CA | Paisano Electric Inc | 0422483-01-999-0422483 | Construction | Oct 18, 2007 |
| San Francisco, CA | Pak Electric Co | 0198367-01-001-0198367 | Construction | Jul 1, 1990 |
| San Francisco, CA | Pak's Roofing Inc | 1117927-09-161-0446714 | Construction | Apr 1, 2016 |
| Millbrae, CA | Pak's Roofing Inc | 0446714-01-999-0446714 | Construction | Aug 26, 2009 |
| Hayward, CA | Paladin Technologies (Usa) Inc. | 1370008-09-241-1161952 | Construction | Nov 5, 2021 |
| Oakland, CA | Palencia Electric Inc | 1434089-10-261-1189296 | Construction | Oct 1, 2026 |
| Brisbane Q4068 | Palmer Electric Inc | 0164232-01-999-0164232 | Construction | Jun 22, 1987 |
| Fremont, CA | Palumbo Construction LLC | 1336554-06-231-1148102 | Construction | Jun 27, 2023 |
| San Francisco, CA | Paniagua Construction Inc | 0403357-01-001-0403357 | Construction | Jan 29, 2010 |
| San Francisco, CA | Pantheon Construction Mgmt Inc | 0425946-01-001-0425946 | Construction | Feb 21, 2008 |
| Antioch, CA | Paradigm Concrete & Const Inc | 0373707-02-999-0373707 | Construction | Jan 4, 2012 |
| Antioch, CA | Paradigm Concrete & Construction, Inc. | 1331742-05-231-0373707 | Construction | Aug 1, 2019 |
| San Bruno, CA | Paradise Construction And Electrical Inc | 1366199-07-241-1160392 | Construction | Jul 12, 2024 |
| Livermore, CA | Paradise Door And Service, Inc | 1269968-02-211-1121549 | Construction | Jan 1, 2020 |
| Fair Oaks, CA | Paradise Heating & Air Solutions Inc | 1402604-10-251-1175767 | Construction | Oct 1, 2025 |
| Morgan Hill, CA | Paragon Mechanical Inc | 1192708-06-181-0325764 | Construction | Jun 21, 2018 |
| Santa Rosa, CA | Paragon Power LLC | 1404340-11-251-1176550 | Construction | Nov 17, 2025 |
| Walnut Creek, CA | Param Electric, Inc | 0934379-01-999-0934379 | Construction | Sep 19, 1994 |
| San Francisco, CA | Paramount Builders & Management Inc | 1382095-02-251-1167154 | Construction | Feb 27, 2025 |
| San Jose, CA | Paramount Interiors LLC | 1368834-08-241-1161463 | Construction | Aug 19, 2024 |
| Hayward, CA | Parition Specialties Inc | 0450382-01-999-0450382 | Construction | Jun 1, 2010 |
| San Francisco, CA | Parkin Inc | 0485995-01-001-0485995 | Construction | Jan 9, 2014 |
| Pacifica, CA | Parks Plumbing Inc | 1285604-08-211-1037051 | Construction | Mar 1, 2018 |
| Pacifica, CA | Parks Plumbing Inc Dba Taproot Water Recycling | 1285605-08-211-1037051 | Construction | Mar 1, 2018 |
| San Francisco, CA | Parkson Builders Co | 1322881-01-231-1142534 | Construction | Jan 30, 2023 |
| San Francisco, CA | Parkson Construction Company | 1208819-01-191-1096463 | Construction | Jan 1, 2019 |
| Santa Rosa, CA | Parmeter General Engineers & Services Inc | 1026437-04-151-1012771 | Construction | Apr 1, 2015 |
| Sa Francisco, CA | Partners Construction Inc. | 1265898-12-201-1119829 | Construction | Feb 3, 2020 |
| San Rafael, CA | Partners Contracting Inc | 1011081-11-141-1005591 | Construction | Nov 1, 2014 |
| San Leandro, CA | Pas Inc | 1034365-07-151-0373165 | Construction | Mar 3, 2014 |
| West Sacramento, CA | Patio Designers LLC | 1360414-05-241-1158234 | Construction | May 7, 2024 |
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.