| Carpenters Work Preservation Committee | Related tax-exempt org | Industry labor relations | CA | 943018622 |
| Carpenter Employers Contract Administr | Related tax-exempt org | Industry labor relations | CA | 943019160 |
| Construction Employers Association | Related tax-exempt org | Industry labor relations | CA | 680090150 |
| Laborers Contract ADMN MRKT Preservation | Related tax-exempt org | Industry labor relations | CA | 943030527 |
| Laborers Building Industry Stabilization | Related tax-exempt org | Industry labor relations | CA | 686057668 |
| Construction Employers Contract Admin | Related tax-exempt org | Maintenance of collective bargaining agreements | CA | 943225123 |
| Builders Industry Promotion Trust | Related tax-exempt org | Industry labor relations | CA | 943156951 |
| California Builders Advancement Program | Related tax-exempt org | Promote union construction in california | CA | 943156951 |
| Assoc Environ Contr IND Promo Trust | Related tax-exempt org | Implementation of labor agreements | CA | 300167951 |
| Assoc of Environmental Contractors | Related tax-exempt org | Contractor representation environmental issues | CA | 300154426 |
| CEA Cement Masons Contract Admin | Related tax-exempt org | Carry out provisions of agreement | CA | 300937858 |
| S Calif Environ Contractors IPT | Related tax-exempt org | Carry out collective bargaining agreemnt | CA | 300914931 |
| S Califenviron Contractors Assoc | Related tax-exempt org | Environmental collective bargaining | CA | 814110591 |