| AGC SAN Diego Chapter INC | Related tax-exempt org | Construction member services | CA | 951951119 |
| Access Pacific INC | Related taxable corporation/trust | Construction | CA | 800499951 |
| ACE Electric INC | Related taxable corporation/trust | Construction | CA | 753118940 |
| BEC INC | Related taxable corporation/trust | Construction | CA | 954119107 |
| Burner Sheet Metal | Related taxable corporation/trust | Construction | CA | 463451093 |
| Byrom-Davey INC | Related taxable corporation/trust | Construction | CA | 330990504 |
| MCC Equipment Rentals | Related taxable corporation/trust | Construction | CA | 030414931 |
| Cuyamaca Construction INC | Related taxable corporation/trust | Construction | CA | 330079119 |
| David M Bertino MFG INC | Related taxable corporation/trust | Construction | CA | 330744536 |
| PAL General Engineering | Related taxable corporation/trust | Construction | CA | 264101310 |
| EC Constructors INC | Related taxable corporation/trust | Construction | CA | 204092767 |
| EJ Meyer Company | Related taxable corporation/trust | Construction | CA | 956800602 |
| Erickson-Hall Construction | Related taxable corporation/trust | Construction | CA | 911903631 |
| LEOS a-C DBA LM Painting & Constr | Related taxable corporation/trust | Construction | CA | 954143653 |
| S&B Engineering | Related taxable corporation/trust | Construction | CA | 450703378 |
| GCI Construction INC | Related taxable corporation/trust | Construction | CA | 330819143 |
| GDL BEST Contractors INC | Related taxable corporation/trust | Construction | CA | 954818608 |
| Hazard Construction | Related taxable corporation/trust | Construction | CA | 330807734 |
| Interpipe Contracting INC | Related taxable corporation/trust | Construction | CA | 330303296 |
| JR Filanc Construction CO INC | Related taxable corporation/trust | Construction | CA | 330516645 |
| KAR Construction INC | Related taxable corporation/trust | Construction | CA | 330388502 |
| LB Civil Construction INC | Related taxable corporation/trust | Construction | CA | 651292275 |
| LOS Angeles Engineering INC | Related taxable corporation/trust | Construction | CA | 952159879 |
| NKS Mechanical | Related taxable corporation/trust | Construction | CA | 203124977 |
| OHNO Construction CO | Related taxable corporation/trust | Construction | CA | 910919645 |