Union Directory
Insulators Local 133
Local HFIA
Local 133 ยท International Association of Heat and Frost Insulators
Contact
- Mailing Address
- Attn: Dannon Nicholson, Business Manager 2210 E. Broadway Ave.Bismarck, ND 58501
- Phone
- (701) 400-0838 Clay M Starck, President Listed on the 2025 LM-2 report (opens in new tab)
Officers 2
-
Clay Stark
President
-
Dannon Nicholson
Business Manager
An executive officer can send the current list.
Federal Filing
- Last Report
- 2025
- Form
- LM-2
- File Number
- 59171
NLRB cases for Local 133 Elections and unfair labor practice charges on LaborLab Search
Sources 2
- OLMS LM-2 report, 2025 (file no. 059-171) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 059-171, 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 Use Suggest an Edit above to tell us what's out of date.