Carrier profile · USDOT 1488549 · Updated Jun 21, 2026
Mountain States Pumping Service LLC
8 power unitsavg 17.2 yrRegional · 4 statesROCK SPRINGS, WY86/100
AUTHORITY STATUS UNKNOWNHAZMAT
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
- 28 WILKINS PEAK DRIVE, ROCK SPRINGS, WY, 82901
- Mailing address
- POST OFFICE BOX 1930, ROCK SPRINGS, WY, 82902
- Operation
- Interstate· Hazmat
Contact
- Phone
- (307) 362-1903
- Fax
- (307) 362-2824
- josh@mspsi.com
- Web domain
- mspsi.com
Registration
- Officers
- Josh Sorensen · Chris Prather
- USDOT / docket
- 1488549
- First registered
- Apr 14, 2006
- Last MCS-150
- Nov 1, 2024 · 176,488 mi (2023)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
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.