Carrier profile · USDOT 818261 · MC-379540 · Updated Jun 13, 2026
RANDALL J RYSER
DBA J R OILFIELD SERVICE LLC
19 power unitsCHEYENNE WELLS, CO50/100
AUTHORITY STATUS UNKNOWNMC-379540 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
- 43400 HWY 40, CHEYENNE WELLS, CO, 80810
- Mailing address
- P O BOX 891, CHEYENNE WELLS, CO, 80810
- Operation
- Interstate
Contact
- Phone
- (719) 767-5100
- Cell
- (719) 340-1010
- Fax
- (719) 767-5180
- payables@ecws1.com
- Web domain
- ecws1.com
Registration
- Officer
- Randall J. Ryser
- USDOT / docket
- 818261 · MC-379540
- First registered
- Jul 7, 1999
- Last MCS-150
- Jan 29, 2026 · 123,000 mi (2025)
- FMCSA safety rating
- Not rated
- 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.