Carrier profile · USDOT 1244266 · MC-704179 · Updated Jun 13, 2026
Harvey Ost Oilfield Services LLC
7 power unitsMALTA, MT50/100
CARRIER INACTIVEMC-704179 INACTIVERATED CONDITIONALHAZMAT
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
- 191 SOUTH 10 STREET WEST, MALTA, MT, 59538
- Mailing address
- PO BOX 1509, MALTA, MT, 59538
- Operation
- Interstate· Hazmat
Contact
- Phone
- (406) 654-1263
- Cell
- (406) 654-4875
- Fax
- (406) 654-2457
Registration
- Officers
- Dennis Ost · Paula Ost
- USDOT / docket
- 1244266 · MC-704179
- First registered
- May 5, 2004
- Last MCS-150
- Oct 4, 2019 · 361,568 mi (2018)
- FMCSA safety rating
- Conditional · Sep 20, 2019
- Recordable crash rate
- 49.97
- 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.