| Local No 9 IBEW and Outside Contractors and MSECA Aprntshp & Jrnymn Trg Fd | Related tax-exempt org | Apprentice training | IL | 362638779 |
| Local No 9 IBEW and Outside Contractors Pension Fund | Related tax-exempt org | Defined benefit pension | IL | 516077720 |
| Local No 9 IBEW and Outside Contractors Defind Contribution Fund | Related tax-exempt org | Defined contribution | IL | 364301166 |
| Local No 9 IBEW and Outside Contractors Supplemental Unemployment Fund | Related tax-exempt org | Supplemental unemployment | IL | 320320610 |
| Local No 9 IBEW and Outside Contractors LMCC | Related tax-exempt org | LMCC | IL | 831354473 |
| ABCO Electrical Constr | Related taxable corporation/trust | — | — | — |
| Adesta LLC | Related taxable corporation/trust | — | — | — |
| Airport Electric Company | Related taxable corporation/trust | — | — | — |
| Aldridge Electric INC | Related taxable corporation/trust | — | — | — |
| Carlisle Utility Contractors INC | Related taxable corporation/trust | — | — | — |
| CCR Electrical Contractors LLC | Related taxable corporation/trust | — | — | — |
| City Lights LTD | Related taxable corporation/trust | — | — | — |
| Clennon Electric INC | Related taxable corporation/trust | — | — | — |
| Contractors Power and LIG | Related taxable corporation/trust | — | — | — |
| CXA Utilities Inc | Related taxable corporation/trust | — | — | — |
| DND Electric | Related taxable corporation/trust | — | — | — |
| Dynamic Utility Solutions | Related taxable corporation/trust | — | — | — |
| Edward Electric CO | Related taxable corporation/trust | — | — | — |
| Elecnor Hawkeye LLC | Related taxable corporation/trust | — | — | — |
| Electric Conduit Construction CO | Related taxable corporation/trust | — | — | — |
| Elite Fiber Optics | Related taxable corporation/trust | — | — | — |
| Elite Fiber Optics LLC | Related taxable corporation/trust | — | — | — |
| Elmund and Nelson Company | Related taxable corporation/trust | — | — | — |
| Evans Electric LLC | Related taxable corporation/trust | — | — | — |
| G4S Secure Integration LLC | Related taxable corporation/trust | — | — | — |