Diamond Oil Field Services INC Safety Record
DOT# 1582423 · El Reno, OK 73036 · 4052766060
Excellent safety record — scored 5/100 (lower is better). This carrier has one of the best inspection records on file.
Last inspected 02/10/2026
Safety Score Breakdown · 5/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Diamond Oil Field Services INC (DOT# 1582423) in El Reno, Oklahoma has 20 inspections on record with 31 violations and a 0.0% vehicle out-of-service rate and 1 crash. Safety grade: A (excellent safety record).
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Violation Categories · 31 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
Inspection History · 20 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 02/10/2026 | OK | 0 | 0 |
| 01/01/2026 | OK | 0 | 0 |
| 12/24/2025 | OK | 0 | 0 |
| 12/09/2025 | OK | 0 | 0 |
| 09/23/2025 | OK | 0 | 0 |
| 09/10/2025 | OK | 0 | 0 |
| 09/05/2025 | OK | 0 | 0 |
| 08/20/2025 | OK | 0 | 0 |
| 07/31/2025 | OK | 0 | 0 |
| 07/08/2025 | OK | 0 | 0 |
Crash History · 1 record
| Date | State | Fatalities | Injuries | Tow-Aways |
|---|---|---|---|---|
| 05-SEP-24 | OK | 0 | 0 | 0 |
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.