Contact
- Mailing Address
- Attn: Arthur Masi, Secretary-Treasurer 56 Town Line RdRocky Hill, CT 06067
- Phone
- (860) 888-7898 Christine Melson, Acting President Listed on the 2025 LM-3 report (opens in new tab)
Officers 7
-
Arthur R. Masi
Secretary-Treasurer
-
Christine A. Melson
Vice President
-
Thomas Hudson
Executive Board
-
Roy Wiseman
Executive Board
-
Jordan Jacobson
Executive Board
-
Jarrod Briley
Executive Board
-
Walter Mamlok
Executive Board
An executive officer can send the current list.
Federal Filing
- Members Reported
- 514
- Last Report
- 2025
- Form
- LM-3
- File Number
- 29241
Members as the union reported them on its 2025 LM-3 report. Counts may include retirees and associate members.
NLRB cases for Local 400 Elections and unfair labor practice charges on LaborLab Search
Sources 2
- OLMS LM-3 report, 2025 (file no. 029-241) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 029-241, 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 Use Suggest an Edit above to tell us what's out of date.