Billerica Federation of Teachers (AFT 1677)
- P.O. Box 514 Billerica, MA 01821-0514
United Teachers of Lowell (AFT 495)
- 169 Merrimack St # 4, Lowell, MA 01852
UNITE HERE New England Joint Board
- 33 Harrison Ave, Boston, MA 02111
IBEW 103
- 256 Freeport St #1, Dorchester, MA 02122
IBEW 1505
- 2 Rainin Rd # 5, Woburn, MA 01801
IBEW 2321
- 1049 Turnpike St, North Andover, MA 01845
OPEIU Local 6
- 150 Wood Road, Suite 400 Braintree, MA 02184
IUPAT District Council 35
- 25 Colgate Rd, Roslindale, MA 02131
NEPBA
- 7 Technology Dr, North Chelmsford, MA 01863
IUE-CWA Local 201
- 112 Exchange Street Lynn, MA 01901
Bricklayers Local 3
- 550 Medford St Charlestown, MA 02129
Andover Education Association (MTA)
- 2 Dundee Park #303B Andover, MA 01810
Lawrence Firefighters Local 146
- PO Box 533, Lawrence, Massachusetts 01842
SEIU 509
- 293 Boston Post Rd W, Marlborough, MA 01752
USW 12012
- PO box 760847 Melrose, MA 02176
IAM Local 264
- 37 Pierce St, Northborough, MA 01532