Contact
- Mailing Address
- Attn: Robert O'Toole, President 1649 West Adams StreetChicago, IL 60612
- Phone
- (312) 217-3405 Robert O'Toole, President Listed on the 2025 LM-2 report (opens in new tab)
Officers 12
-
Robert O'Toole
President
-
Jeffery Jayko
Secretary-Treasurer
-
Mario Marin
Secretary-Treasurer
-
Richard Belzey
Recording Secretary'y/Executive Vice President
-
Omar Arias
Director/Vice President
-
Carlos Cartagena
Director/Vice President
-
Jeffrey Altenbernd
Vice President
-
Michael Cantu
Vice President
-
Efrain Cervantes
Vice President
-
Alicia Craig
Vice President
-
Greg Goings
Vice President
-
Dennis Hernandez
Ba/Vice President
An executive officer can send the current list.
Federal Filing
- Members Reported
- 18,470
- Last Report
- 2025
- Form
- LM-2
- File Number
- 542277
Members as the union reported them on its 2025 LM-2 report. Counts may include retirees and associate members.
NLRB cases for Local 1546 Elections and unfair labor practice charges on LaborLab Search
Sources 2
- OLMS LM-2 report, 2025 (file no. 542-277) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 542-277, 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 Use Suggest an Edit above to tell us what's out of date.