| Teamsters Local Union 671 | Related tax-exempt org | Union office | CT | 060400878 |
| ABF Freight System INC | Related taxable corporation/trust | — | — | — |
| Allan S Goodman INC (silver Plan) | Related taxable corporation/trust | — | — | — |
| Allan S Goodman INC | Related taxable corporation/trust | — | — | — |
| Arrow Line Acquisition LLC | Related taxable corporation/trust | — | — | — |
| CREC | Related taxable corporation/trust | — | — | — |
| CT Transit | Related taxable corporation/trust | — | — | — |
| DHL Express | Related taxable corporation/trust | — | — | — |
| DHL Express (clerical) | Related taxable corporation/trust | — | — | — |
| Estuary Transit District | Related taxable corporation/trust | — | — | — |
| First Student - New Britain | Related taxable corporation/trust | — | — | — |
| First Student BUS | Related taxable corporation/trust | — | — | — |
| First Student INC | Related taxable corporation/trust | — | — | — |
| Hudson RPM | Related taxable corporation/trust | — | — | — |
| Keystone Papermillrock Packaging | Related taxable corporation/trust | — | — | — |
| ST MARY Home | Related taxable corporation/trust | — | — | — |
| Town of Bloomfield Public Works | Related taxable corporation/trust | — | — | — |
| Town of Enfield | Related taxable corporation/trust | — | — | — |
| United Parcel Service | Related taxable corporation/trust | — | — | — |
| Veritiv (gold Plan) | Related taxable corporation/trust | — | — | — |
| Windham Region Transit District | Related taxable corporation/trust | — | — | — |
| YRC Worldwide | Related taxable corporation/trust | — | — | — |