Carrier profile · USDOT 350131 · Updated Jun 13, 2026
Nielsen Oil Company Inc
1 power unitTHERMOPOLIS, WY50/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 215 SOUTH 6TH STREET, THERMOPOLIS, WY, 82443
- Mailing address
- PO BOX 1210, THERMOPOLIS, WY, 82443
- Operation
- Interstate· Hazmat
Contact
- Phone
- (307) 864-3886
- Cell
- (307) 921-1518
- Fax
- (307) 864-9309
- Web domain
- rtconnect.net
Registration
- Officer
- Barbara Nielsen
- USDOT / docket
- 350131
- First registered
- Apr 11, 1989
- Last MCS-150
- Feb 19, 2019 · 95,367 mi (2016)
- FMCSA safety rating
- Satisfactory · Feb 16, 2005
- D-U-N-S
- 10366409
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.