| 6 Stars Engineering | 1049627 | Active | 01/31/2027 |
| A H Botter Contracting | 947240 | Active | 05/31/2028 |
| A M Ortega | 406981 | Active | 06/30/2027 |
| A M Ortega Construction Inc | 486311 | Active | 01/31/2028 |
| A Vidovich Construction Inc | 469949 | Active | 02/28/2027 |
| Affordable Earthworks Inc | 927597 | Active | 04/30/2028 |
| Anton's Service Inc | 861069 | Active | 06/30/2027 |
| Atherton Construction | 1051179 | Active | 03/31/2027 |
| BDP Services Inc | 1068964 | Active | 09/30/2028 |
| BGS Inc | 901240 | Active | 07/31/2027 |
| Bert W Salas Inc | 275199 | Active | 03/31/2027 |
| Brandon's Backhoe Service | 820088 | Active | 11/30/2027 |
| Brewer Crane & Rigging | 1033838 | Active | 12/31/2027 |
| C E Crist Inc | 532947 | Active | 06/30/2028 |
| C R Mitchell Construction Inc DBA C R M Construction Co | 741308 | Active | 05/31/2027 |
| C3 Sewer & Drains | 1144527 | Active | 10/31/2027 |
| Cal West General Engineering Inc | 796745 | Active | 05/31/2028 |
| Clauss Construction | 630564 | Active | 10/31/2027 |
| Cromwell Contracting | 718821 | Active | 02/29/2028 |
| Daley Corporation | 476 | Active | 10/31/2027 |
| E C Constructors Inc | 585677 | Active | 02/29/2028 |
| East County Equipment | 757346 | Active | 09/30/2027 |
| Ecc-Tbp A Joint Venture | 1071435 | Active | 12/31/2026 |
| Edward T Glasco | 978807 | Active | 11/30/2026 |
| El Cajon Grading & Engineering Co Inc | 274857 | Active | 09/30/2028 |
| Enniss Inc | 809017 | Active | 06/30/2028 |
| Excel Lid | 1130122 | Active | 07/31/2027 |
| FSG General Engineering Inc | 747718 | Active | 04/30/2028 |
| Furley's Excavation Inc | 1041269 | Active | 07/31/2027 |
| G A Abell Inc DBA Precision Electric Co | 534116 | Active | 07/31/2028 |
| Gem Industrial Electric Inc | 235465 | Active | 01/31/2028 |
| Geo Pacific Services Inc | 968338 | Active | 12/31/2027 |
| Global Power Group Inc | 870741 | Active | 01/31/2028 |
| Hammerhead Excavation | 1113363 | Active | 11/30/2027 |
| Hazard CM Engr LLC | 1039495 | Active | 05/31/2028 |
| Hazard Construction | 750542 | Active | 06/30/2028 |
| Hazard Construction Engr LLC | 1038899 | Active | 05/31/2028 |
| Hazard-Tc JV | 1157454 | Active | 06/30/2028 |
| Homeland Engineering | 889822 | Active | 01/31/2027 |
| Homeland Engineering Inc | 990582 | Active | 02/29/2028 |
| Island Supply Services | 606983 | Active | 11/30/2026 |
| J&s Asphalt Inc | 1078473 | Active | 07/31/2027 |
| K A Carlisle Inc DBA Precision Electric Solar | 950065 | Active | 07/31/2028 |
| Kainbrook Engineering Inc | 1119072 | Active | 04/30/2028 |
| Kirk Paving Inc | 749206 | Active | 05/31/2028 |
| Koch General Engineering Inc | 1023489 | Active | 02/28/2027 |
| L V Holderby JR | 304122 | Active | 06/30/2027 |
| Layfield USA Corporation | 837614 | Active | 05/31/2028 |
| Lazer West Engineering Inc | 1029194 | Active | 07/31/2027 |
| Linda Lee Linn | 985027 | Active | 07/31/2027 |
| M2 Construction Inc | 959572 | Active | 04/30/2027 |
| Marathon Construction Corporation | 411338 | Active | 09/30/2027 |
| Marco Crane & Rigging Co | 621510 | Active | 06/30/2027 |
| Mccance Ent C.m | 1146178 | Active | 11/30/2027 |
| Mike Leraas | 975608 | Active | 08/31/2028 |
| Murillo Engineering | 1095032 | Active | 08/31/2028 |
| New Century Construction Inc | 614517 | Active | 09/30/2028 |
| Patriot General Engineering Inc | 925955 | Active | 12/31/2026 |
| Phillip Wade Lindsay | 1127707 | Active | 10/31/2028 |
| RJ Nichols Construction Inc | 1056885 | Active | 02/29/2028 |
| Rabc - Ecc A Joint Venture | 986034 | Active | 08/31/2027 |
| Red's Engineering Inc | 1122619 | Active | 06/30/2028 |
| Road Kings Engineering | 1081352 | Active | 09/30/2027 |
| SB General Engineering Inc | 721885 | Active | 06/30/2027 |
| SWCS Inc DBA Southwest Construction Services Inc | 967347 | Active | 11/30/2027 |
| San Diego Underground Utilities | 1017038 | Active | 08/31/2028 |
| Schneider Companies Inc DBA Schneider Grading | 974046 | Active | 07/31/2028 |
| Sloan Plumbing Services Inc | 425529 | Active | 09/30/2028 |
| Snow Engineering Corp | 841417 | Active | 01/31/2027 |
| Straightline Engineering Inc | 753203 | Active | 08/31/2028 |
| Thomas W Augustyn Inc | 955867 | Active | 09/30/2027 |
| Unlimited Drilling & Foundations Inc | 682396 | Active | 01/31/2028 |
| Western Foundations & Shoring Inc | 439363 | Active | 05/31/2027 |
| William R Young | 466419 | Active | 12/31/2026 |
| Verti-Block San Diego Inc | 1037838 | Contr Bond Susp | 04/30/2028 |