Contact
- Mailing Address
- Attn: David Dillon, Business Manager 465 W 17th StIdaho Falls, ID 83402
- Phone
- (208) 701-9774 Leonard Widerburg, President Listed on the 2025 LM-2 report (opens in new tab)
Officers 11
-
Leonard Widerburg
President
-
David Dillon
Business Manager
-
Robert W. Stringham
Vice President
-
Reba Coby
Recording Secretary
-
David Korth
Executive Board
-
Jose I. Martinez
Executive Board
-
William White
Executive Board/Agent
-
Gonzalo Paz
Sergeant at Arms
-
Savino Adamson
Auditor
-
Amy Christensen
Auditor
-
Elisa Palacios
Auditor
An executive officer can send the current list.
Federal Filing
- Members Reported
- 387
- Last Report
- 2025
- Form
- LM-2
- File Number
- 517314
Members as the union reported them on its 2025 LM-2 report. Counts may include retirees and associate members.
NLRB cases for Local 155 Elections and unfair labor practice charges on LaborLab Search
Sources 2
- OLMS LM-2 report, 2025 (file no. 517-314) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 517-314, 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 Use Suggest an Edit above to tell us what's out of date.