Contact
- Mailing Address
- Attn: Mark Schmiehausen, President 435 S Hawley StToledo, OH 43609
- Phone
- (419) 243-8800 Mark Schmiehausen, President Listed on the 2025 LM-2 report (opens in new tab)
Officers 7
-
Mark Schmiehausen
President
-
Paul Konwinski
Secretary-Treasurer
-
Tim Brown
Vice President
-
Heidi Danner
Recording Secretary
-
Paul Kovac
Trustee
-
William Neill
Trustee
-
Brandon Macdonald
Trustee
An executive officer can send the current list.
Federal Filing
- Members Reported
- 4,836
- Last Report
- 2025
- Form
- LM-2
- File Number
- 8580
Members as the union reported them on its 2025 LM-2 report. Counts may include retirees and associate members.
NLRB cases for Local 20 Elections and unfair labor practice charges on LaborLab Search
Sources 2
- OLMS LM-2 report, 2025 (file no. 008-580) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 008-580, 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 Use Suggest an Edit above to tell us what's out of date.