Union Directory
IUOE Western Conference
Conference ยท International Union of Operating Engineers
Contact
- Mailing Address
- Attn: Matthew Cremins 1121 L StSacramento, CA 95814
- Phone
- (425) 806-0302 Daren R Konopaski, President Listed on the 2025 LM-2 report (opens in new tab)
Officers 8
-
Daren Konopaski
President
-
Edward Curly
Secretary-Treasurer
-
Dan Reding
Vice President
-
James Anderson
Trustee
-
Steve Gross
Trustee
-
David Sikorski
Trustee
-
Tim Eggan
Trustee
-
Kirk Jordan
Trustee
An executive officer can send the current list.
Federal Filing
- Members Reported
- 13
- Last Report
- 2025
- Form
- LM-2
- File Number
- 57488
Members as the union reported them on its 2025 LM-2 report. Counts may include retirees and associate members.
NLRB cases for International Union of Operating Engineers (IUOE) Elections and unfair labor practice charges across the whole union, on LaborLab Search
Sources 2
- OLMS LM-2 report, 2025 (file no. 057-488) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 057-488, 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 Use Suggest an Edit above to tell us what's out of date.