Western Oilfields Supply Co
Bakersfield, California · Carrier number 154740
1,139
power units
1,139
power units
Western Oilfields Supply Co is a freight and passenger carrier based in Bakersfield, California with 1,139 power units and 1,146 drivers as reported, the 326th largest trucking fleet in the US and the 21st largest in California. In the 24 months to Sep 30, 2026 it had 9 reportable crashes (0.79 per 100 power units vs 2.98 for all carriers).
Updated Oct 11, 2026 · crashes and inspections to Sep 30, 2026
Power units
1,139
#21 in CA
Drivers
1,146
196 with commercial license
Crashes, 24 mo
9
0 fatal
Per 100 trucks
0.79
All carriers: 2.98
Vehicles out of service
16.2%
All inspections: 22.8%
Inspections, 24 mo
324
64% with no violation
Compared with other carriers
Crash rate over 24 months per 100 power units, and the share of roadside inspections that took the vehicle or driver off the road
| Crashes / 100 trucks | Vehicles OOS | Drivers OOS | |
|---|---|---|---|
| Western Oilfields Supply Co | 0.79 | 16.2% | 1.6% |
| Carriers with 10+ trucks in CA | 2.30 | 14.2% | 4.0% |
| Carriers with 10+ trucks, US | 2.98 | 19.3% | 3.6% |
| All roadside inspections | - | 22.8% | 6.4% |
Lower is better. Carriers that drive more miles per truck can have more crashes per truck.
Crashes, 24 months
0 people killed and 8 injured
- Fatal0
- Injury3
- Tow-away6
Roadside inspections, 24 months
Inspections and how many ended out of service
| Kind | Inspections | Out of service | Rate |
|---|---|---|---|
| Driver | 321 | 5 | 1.6% |
| Vehicle | 228 | 37 | 16.2% |
Carrier facts
- Carrier number
- 154740
- Based in
- Bakersfield, California
- Registered
- Jun 1, 1974
- Operation
- Across state lines
- Carries
- Freight and passengers
- Authority for hire
- Active
- Safety rating
- Satisfactory (Jul 9, 1992)
- Miles driven
- 17.6 million (2025)
- Type
- For hire, Private property
- Cargo
- Machinery, Oilfield equipment, Other, Passengers, Water well
- Last update filed
- May 18, 2026
Questions and answers
How many trucks does Western Oilfields Supply Co have?
Western Oilfields Supply Co reports 1,139 power units (trucks, tractors and buses) and 1,146 drivers, 196 of them with a commercial license. That is the 326th largest fleet among US trucking carriers. Its trucks drove 17.6 million miles in 2025.
Is Western Oilfields Supply Co a safe carrier?
In 24 months Western Oilfields Supply Co had 9 reportable crashes, 0.79 per 100 power units (below the 2.98 of all carriers with 10+ trucks). 16.2% of its vehicle inspections took the truck off the road (all inspections: 22.8%). Its latest official safety rating is Satisfactory (Jul 9, 1992). A crash record does not say who caused the crash.
Reportable crashes of trucks and buses: a death, an injury or a vehicle towed away. A crash record does not say who caused the crash. Recent months can still grow as late reports arrive. Out-of-service rate: the percent of roadside inspections that took the driver or the vehicle off the road until a serious problem was fixed. Carriers with few inspections have rates that swing a lot. Fleet, drivers and miles as the carrier reported them. Official public data, updated daily.