Carrier profile · USDOT 304014 · Updated Jun 13, 2026
JENNERJOHN & HOLTHAUS INC
5 power unitsDECORAH, IA50/100
AUTHORITY STATUS UNKNOWNRATED CONDITIONAL
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
- 900 MONTGOMERY ST, DECORAH, IA, 52101
- Mailing address
- P O BOX 127, DECORAH, IA, 52101
- Operation
- Interstate
Contact
- Phone
- (563) 382-2933
- Fax
- (563) 382-8329
- jtc@brueningrock.com
- Web domain
- brueningrock.com
Registration
- Officers
- Greg Bruening · Keith Bruening
- USDOT / docket
- 304014
- First registered
- Oct 27, 1987
- Last MCS-150
- Mar 3, 2025 · 23,000 mi (2024)
- FMCSA safety rating
- Conditional · Nov 29, 1990
- D-U-N-S
- 4795795
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.