Carrier profile · USDOT 1498957 · Updated Jun 13, 2026
HAROLD HORST
DBA HORST PLUMBING LLC
3 power unitsBARING, MO50/100
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
- 52155 STATE HWY Y, BARING, MO, 63531
- Mailing address
- 52155 STATE HWY Y, BARING, MO, 63531
- Operation
- Interstate· Hazmat
Contact
- Phone
- (660) 892-4582
- Cell
- (660) 341-0572
- Fax
- (660) 892-4472
- hhorst@marktwain.net
- Web domain
- marktwain.net
Registration
- Officer
- Harold Horst
- USDOT / docket
- 1498957
- First registered
- May 9, 2006
- Last MCS-150
- Jul 31, 2023 · 15,000 mi (2021)
- 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.