Contact
- Mailing Address
- Attn: Bobby Brown 300 W. Main St, Unit A2Northborough, MA 01532
- Phone
- (617) 913-9198 Jeb D Mastandrea, President Listed on the 2025 LM-2 report (opens in new tab)
Officers 12
-
Jeb Mastandrea
President
-
Robert R. Brown
Secretary-Treasurer
-
William Foley
Vice President
-
Alex A. Grande
Recording Secretary
-
David Fetherston
Trustee
-
Anna Mastandrea
Trustee
-
Kellie Miller
Trustee
-
Robert Walker
Executive Board
-
Christopher Ryan
Executive Board
-
Sean Tempesta
Executive Board
-
Brandon Lunnin
Executive Board
-
Robert Patrick
Executive Board
An executive officer can send the current list.
Federal Filing
- Members Reported
- 1,823
- Last Report
- 2025
- Form
- LM-2
- File Number
- 22251
Members as the union reported them on its 2025 LM-2 report. Counts may include retirees and associate members.
NLRB cases for International Association of Machinists (IAM) Elections and unfair labor practice charges across the whole union, on LaborLab Search
Sources 2
- OLMS LM-2 report, 2025 (file no. 022-251) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 022-251, labordata.bunkum.us (opens in new tab)
Checked Oct 12, 2026
Listings come from public filings with the U.S. Department of Labor and from the organizations' own websites, as of the dates under Sources. Details change, and we may have them wrong. Check with the organization before you rely on them. Use Suggest an Edit above to tell us what's out of date.