Contact
- Mailing Address
- Attn: Sigiel Swanson, President 212 Van Buren StreetRock Springs, WY 82901
- Phone
- (307) 234-7800 Gavin Mortensen, President Listed on the 2025 LM-2 report (opens in new tab)
Officers 10
-
Sigiel Swanson
President
-
Rodney Dollar
Financial Secretary-Treasurer
-
Steven Rose
Executive Vice President
-
Michelle Biddlecome
Casper Service Area Rep
-
Phoebe Hawkins
Recording Secretary
-
Greg Saul
Dave Johnston Area Rep
-
Jesse Abney
East Power Area Rep
-
Jennifer Mortensen
Jim Bridger Area Rep
-
Trevor Hanson
West Power Area Rep
-
Byron Betschart
Wyodak Area Rep
An executive officer can send the current list.
Federal Filing
- Members Reported
- 400
- Last Report
- 2025
- Form
- LM-2
- File Number
- 32721
Members as the union reported them on its 2025 LM-2 report. Counts may include retirees and associate members.
NLRB cases for Local 127 Elections and unfair labor practice charges on LaborLab Search
Sources 2
- OLMS LM-2 report, 2025 (file no. 032-721) (opens in new tab)
Checked Oct 12, 2026
- OLMS filings for file no. 032-721, 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 Use Suggest an Edit above to tell us what's out of date.