Carrier profile · USDOT 174559 · MC-147398 · Updated Jun 13, 2026
U-KNOW SERVICE LLC
15 power unitsavg 16.2 yrRegional · 3 statesCASPER, WY88/100
CARRIER ACTIVEMC-147398 ACTIVERATED 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
- 6001 OLD WEST YELLOWSTONE HIGHWAY, CASPER, WY, 82604
- Mailing address
- PO BOX 443, CASPER, WY, 82602-0443
- Operation
- Interstate· Hazmat
Contact
- Phone
- (307) 472-0637
- Cell
- (307) 262-0714
- Fax
- (307) 472-9866
- Web domain
- uknowservices.com
Registration
- Officers
- Linda Garriott · Linda J Garriott
- USDOT / docket
- 174559 · MC-147398
- First registered
- Jun 1, 1974
- Last MCS-150
- May 28, 2025 · 379,235 mi (2024)
- FMCSA safety rating
- Satisfactory · Aug 16, 2004
- 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.