Contact
- Mailing Address
- Attn: Mark Federici, President 8400 Corporate DriveLandover, MD 20785
- Phone
- (301) 459-3400 Mark P Federici, President Listed on the 2025 LM-2 report (opens in new tab)
Officers 12
-
Mark P. Federici
President
-
Christopher D. Hoffman
Secretary-Treasurer
-
Yolanda M. Anwar
Vice President
-
Marisel Atienza
Vice President
-
Robert C. Brown
Vice President
-
Linda Bussey
Vice President
-
Darlene J. Butler-Jones
Vice President
-
Shawn Collins
Vice President
-
Mark Cordle
Vice President
-
Aretha Green-Roberts
Vice President
-
Lisa M. Honts
Vice President
-
John R. Lee
Vice President
An executive officer can send the current list.
Federal Filing
- Members Reported
- 21,517
- Last Report
- 2025
- Form
- LM-2
- File Number
- 5511
Members as the union reported them on its 2025 LM-2 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-2 report, 2025 (file no. 005-511) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 005-511, 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 Use Suggest an Edit above to tell us what's out of date.