Union Directory
Cement Workers (Boilermakers Lodge 106)
Lodge 106 ยท International Brotherhood of Boilermakers
Contact
- Mailing Address
- Attn: Nick Oelberg, Secretary-Treasurer 11 Asbury PlaceMason City, IA 50401
- Phone
- (641) 420-1051 Micheal Lorentzen, President Listed on the 2025 LM-3 report (opens in new tab)
Officers 7
-
Michael Lorentzen
President
-
Robby Koppen
V President
-
Nick Oelberg
Secretary-Treasurer
-
Camrean Bonwell
Recording Secretary
-
Robert Redfern
Trustee
-
Devin Jones
Trustee
-
Nate Nock
Trustee
An executive officer can send the current list.
Federal Filing
- Members Reported
- 92
- Last Report
- 2025
- Form
- LM-3
- File Number
- 14234
Members as the union reported them on its 2025 LM-3 report. Counts may include retirees and associate members.
NLRB cases for International Brotherhood of Boilermakers Elections and unfair labor practice charges across the whole union, on LaborLab Search
Sources 2
- OLMS LM-3 report, 2025 (file no. 014-234) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 014-234, 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 Use Suggest an Edit above to tell us what's out of date.