- Akron Area Electrical Jatc
- Aphc Plumbers Apprenticeship
- Cement Mason Apprenticeship
- Central Electrical Training
- Electricians Joint Apprntcshp
- Empire State Carpenters
- Floor Covering Apprenticeship
- IEC Mid Oregon Branch
- Inside Electric Jatc
- Lake Ashtabula & Geauga Jatc
- Local 17 Apprenticeship
- Mahoning Trumbull Jatc
- Northeast Ohio Carpenters
- Ohio Operating Engineers
- Ohio Operating Engineers
- Ohio Operating Engineers Fund
- Union Construction Industry