| Midwest Operating Engineers Pension Trust | Related tax-exempt org | Provide death and retirement benefits for eligible participants | IL | 366140097 |
| Midwest Operating Engineer Pension Fund Building Not-for-Profit Corporation | Related tax-exempt org | Hold title to building occupied by pension trust fund | IL | 030526632 |
| Midwest Operating Engineeers Retiree Welfare Plan | Related tax-exempt org | Provide welfare benefits for eligible participants | IL | 371752023 |
| Midwest Operating Engineers Retirement Enhancement Fund | Related tax-exempt org | Provide retirement benefits for eligible participants | IL | 510669630 |
| Indiana Illinois & IOWA Foundation for Fair Contracting | Related tax-exempt org | Monitor and track construction projects for davis-bacon ACT violations | IL | 364276271 |
| Midwest Operating Engineers Const Industry & Service Trust Fund | Related tax-exempt org | Solving problems and to expand the market for construction industry | IL | 364041715 |
| Operating Engineers Local 150 Apprenticeship Fund | Related tax-exempt org | Provide training programs / contributing employer | IL | 366219511 |
| International Union of Operating Engineers - Local 150 | Related tax-exempt org | Labor union / contributing empoyer | IL | 361581416 |
| City of Aledo Administrative D | Related tax-exempt org | Contributing employer | — | — |
| City of Belvidere Public Works | Related tax-exempt org | Contributing employer | — | — |
| City of Braidwood | Related tax-exempt org | Contributing employer | — | — |
| City of Calumet Public Works | Related tax-exempt org | Contributing employer | — | — |
| City of Chicago Heights | Related tax-exempt org | Contributing employer | — | — |
| City of Crest HILL | Related tax-exempt org | Contributing employer | — | — |
| City of Elmhurst | Related tax-exempt org | Contributing employer | — | — |
| City of MC Henry | Related tax-exempt org | Contributing employer | — | — |
| City of Portage Administration | Related tax-exempt org | Contributing employer | — | — |
| City of Portage Fire DEPT | Related tax-exempt org | Contributing employer | — | — |
| City of Portage IND-Sanitation | Related tax-exempt org | Contributing employer | — | — |
| City of Portage IND-Streets | Related tax-exempt org | Contributing employer | — | — |
| City of Portage Parks | Related tax-exempt org | Contributing employer | — | — |
| City of Portage Police DEPT | Related tax-exempt org | Contributing employer | — | — |
| City of Portage Utility SER BO | Related tax-exempt org | Contributing employer | — | — |
| City of Prospect Heights | Related tax-exempt org | Contributing employer | — | — |
| City of Waukegan Police AUX | Related tax-exempt org | Contributing employer | — | — |