| AGC of America SAN Diego Chapter INC | Related tax-exempt org | Provides services to members in the construction industry | CA | 951951119 |
| AGC of America SAN Diego Chapter INC Apprenticeship & Training Trust Fund | Related tax-exempt org | Provides apprenticeship and training to members in the construction industry | CA | 330330244 |
| A & P Drywall INC | Related taxable corporation/trust | — | — | — |
| A & Y Ashphalt Contractors INC | Related taxable corporation/trust | — | — | — |
| Abbott Construction | Related taxable corporation/trust | — | — | — |
| ABC General Contractors | Related taxable corporation/trust | — | — | — |
| ABHE & Svoboda INC | Related taxable corporation/trust | — | — | — |
| Above ALL Names | Related taxable corporation/trust | — | — | — |
| AC PROS INC | Related taxable corporation/trust | — | — | — |
| Access Pacific INC | Related taxable corporation/trust | — | — | — |
| Accurate Asphalt & Concrete INC | Related taxable corporation/trust | — | — | — |
| ACME Safety & Supply Corp | Related taxable corporation/trust | — | — | — |
| ACT 1 Construction INC | Related taxable corporation/trust | — | — | — |
| Addison-Miller INC | Related taxable corporation/trust | — | — | — |
| ADLC | Related taxable corporation/trust | — | — | — |
| Advance Plumbing Company | Related taxable corporation/trust | — | — | — |
| Advanced Acoustic Contractors INC | Related taxable corporation/trust | — | — | — |
| Advantage Painting Solutions INC | Related taxable corporation/trust | — | — | — |
| AGC Apprenticeship & Training Trust | Related taxable corporation/trust | — | — | — |
| Ahrens Mechanical | Related taxable corporation/trust | — | — | — |
| Alvarez and SHAW INC | Related taxable corporation/trust | — | — | — |
| American Asphalt & Concrete INC | Related taxable corporation/trust | — | — | — |
| American Concrete | Related taxable corporation/trust | — | — | — |
| AMG Demolition & Environmental Service | Related taxable corporation/trust | — | — | — |
| Amtek Construction | Related taxable corporation/trust | — | — | — |