Carrier profile · USDOT 789766 · Updated Jun 14, 2026
Mountain States Pressure Service Inc
24 power unitsavg 13.6 yrLocal · 2 statesROCK SPRINGS, WY81/100
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 DR, ROCK SPRINGS, WY, 82901-5796
- Mailing address
- PO BOX 1930, ROCK SPRINGS, WY, 82902-1930
- Operation
- Interstate· Hazmat
Contact
- Phone
- (307) 362-1903
- josh@mspsi.com
- Web domain
- mspsi.com
Registration
- Officers
- Joshua Sorensen · Chris Prather
- USDOT / docket
- 789766
- First registered
- Jan 14, 1999
- Last MCS-150
- Jun 2, 2026 · 88,490 mi (2025)
- FMCSA safety rating
- Not rated
- 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.