Carrier profile · USDOT 3508416 · MC-1704559 · Updated Jun 13, 2026

M&h Well Service LLC

11 power unitsWILLISTON, ND50/100
CARRIER ACTIVEMC-1704559 ACTIVEHAZMAT
Verified linksFMCSA SAFER

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

Mailing address
PO BOX 1949, WILLISTON, ND, 58802
Operation
Interstate· Hazmat

Registration

Officer
Clevon Dunbar
USDOT / docket
3508416 · MC-1704559
First registered
Oct 21, 2020
Last MCS-150
Jul 24, 2025 · 52,000 mi (2024)
FMCSA safety rating
Not rated
Recordable crash rate
0.00
D-U-N-S

Fleet (self-reported · MCS-150)

11Power units
11Drivers
3CDL drivers
52,000Annual mileage

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.