Carrier profile · USDOT 459217 · MC-191922 · Updated Jun 13, 2026
KNIGHT BROTHERS LLC
DBA INTERMOUNTAIN RIGGING & HEAVYHAUL
83 power unitsSALT LAKE CITY, UT50/100
CARRIER INACTIVEMC-191922 INACTIVE
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
- 961 SOUTH PIONEER ROAD, SALT LAKE CITY, UT, 84104
- Mailing address
- P O BOX 27163, SALT LAKE CITY, UT, 84127
- Operation
- Interstate
Contact
- Phone
- (801) 972-5581
- Cell
- (385) 501-8738
- Fax
- (801) 975-0828
- amy@irhusa.com
- Web domain
- irhusa.com
Registration
- Officers
- Amy Jensen · Ric Mortensen
- USDOT / docket
- 459217 · MC-191922
- First registered
- Sep 25, 1991
- Last MCS-150
- Nov 14, 2022 · 890,440 mi (2019)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 601711195
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.