Carrier profile · USDOT 835426 · Updated Jun 13, 2026
Service Oil & Gas Company LLC
0 power unitsGREGORY, SD50/100
AUTHORITY STATUS UNKNOWN
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
- 115 W HWY 18, GREGORY, SD, 57533-0268
- Mailing address
- PO BOX 268, GREGORY, SD, 57533-0268
- Operation
- Interstate
Contact
- Phone
- (605) 835-9350
- Cell
- (605) 830-9350
- Fax
- (605) 835-9498
- svcoil@gwtc.net
- Web domain
- gwtc.net
Registration
- Officer
- Duane Harms
- USDOT / docket
- 835426
- First registered
- Oct 25, 1999
- Last MCS-150
- Mar 1, 2010 · 45,678 mi (2004)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—Power units
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.