Carrier profile · USDOT 1488549 ·
Mountain States Pumping Service LLC
10 power unitsavg 17.2 yrRegional · 4 statesROCK SPRINGS, WY86/100
AUTHORITY STATUS UNKNOWN
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
Contact
- Phone
- (307) 362-1903
- Fax
- (307) 362-2824
- josh@mspsi.com
- Web domain
- mspsi.com
Registration
- Officers
- Chris Prather · Josh Sorensen
- USDOT / docket
- 1488549
- First registered
- Apr 14, 2006
- Last MCS-150
- Aug 27, 2026 · 141,893 mi (2025)
- 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.