| Local Union 345 | Related tax-exempt org | Union | CA | 952305017 |
| landscape irrigation and lawn sprinkler | Related tax-exempt org | Pension | CA | 581908778 |
| Southern CA PIPE Trades Retirement Fund | Related tax-exempt org | Retirement | CA | 516108443 |
| Southern CA PIPE Trades Pensioners & SUR | Related tax-exempt org | Medical | CA | 274271742 |
| Southern CA PIPE Trades Health & Welfare | Related tax-exempt org | Medical | CA | 951867598 |
| Southern CA PIPE Trades Defined Contribu | Related tax-exempt org | 401(k) plan | CA | 954388338 |
| Southern CA PIPE Trades Christmas Bonus | Related tax-exempt org | Bonus funds | CA | 954349805 |
| AM Ortega Construction INC | Related taxable corporation/trust | Landscape | — | 330118336 |
| Aliso Pacific INC | Related taxable corporation/trust | Landscape | — | 464328499 |
| American Landscape INC | Related taxable corporation/trust | Landscape | — | 952853290 |
| ARB INC | Related taxable corporation/trust | Landscape | — | 952159777 |
| Bennett Landscape | Related taxable corporation/trust | Landscape | — | 330105672 |
| Brightview Landscape Development | Related taxable corporation/trust | Landscape | — | 951590418 |
| Diversified Landscape Company | Related taxable corporation/trust | Landscape | — | 330684308 |
| Environmental Construction INC | Related taxable corporation/trust | Landscape | — | 680597503 |
| Flamingo Construction | Related taxable corporation/trust | Landscape | — | 471752586 |
| Greenfield Landscaping & Maintenance INC | Related taxable corporation/trust | Landscape | — | 274015952 |
| IO Environmental & Infrastructure INC | Related taxable corporation/trust | Landscape | — | 205205460 |
| J's Pipeline INC | Related taxable corporation/trust | Landscape | — | 263445976 |
| Legion Contractors INC | Related taxable corporation/trust | Landscape | — | 842114050 |
| Makelele Systems Landscape | Related taxable corporation/trust | Landscape | — | 465697419 |
| Martinez Landscape | Related taxable corporation/trust | Landscape | — | 954781405 |
| New Generation Landscape Company | Related taxable corporation/trust | Landscape | — | 912094167 |
| NPL Construction Company | Related taxable corporation/trust | Landscape | — | 886003998 |
| Outside the Lines INC | Related taxable corporation/trust | Landscape | — | 260138994 |