DIAMOND OIL FIELD SERVICES INC
USDOT 1582423
Active, intrastate (non-hazmat) carrier, mid-size fleet (20 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate0% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
- Linked registrations1 share this carrier's phone or address
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 1582423 |
|---|---|
| MC Number | MC-667437 |
| Legal Name | DIAMOND OIL FIELD SERVICES INC |
| DBA Name | — |
| Entity Type | — |
| Phone | 4052766060 |
| Address | 4201 S RADIO RD, El Reno, OK, 73036 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 18 |
|---|---|
| Out-of-Service Rate | 0% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2024-09-05 — OK — towaway
Most frequent violation categories: 47 (13), 20 (4), 12 (3).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Signals
Linked registrations
1 other active carrier registration share this carrier's phone or address in FMCSA records.
Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.
Equipment
Fleet & operations
| Power Units (trucks) | 20 |
|---|---|
| Drivers | 40 |
| Recent Annual Mileage | 1,252,000 |
| Last MCS-150 Filing | 11-FEB-26 |
DIAMOND OIL FIELD SERVICES INC operates 20 power units — a larger fleet than 97% of carriers registered in OK.
Nearby
Other carriers in El Reno, OK
- MATHENA INC — USDOT 1573779, 74 power units
- KMK ENTERPRISES — USDOT 1403585, 18 power units
- CAVIN WRECKER SERVICE LLC — USDOT 1133962, 17 power units
- BALCH TRUCKING LLC — USDOT 1267543, 11 power units
- JENSEN RANCHES LLC — USDOT 1583038, 9 power units
Browse all carriers in El Reno, OK or all OK carriers.