Oklahoma Tank Lines
United Petroleum Transports Inc · Oklahoma City, Oklahoma · Carrier number 185040
604
power units
604
power units
Oklahoma Tank Lines is a freight carrier based in Oklahoma City, Oklahoma with 604 power units and 712 drivers as reported, the 753rd largest trucking fleet in the US and the 15th largest in Oklahoma. In the 24 months to Sep 30, 2026 it had 37 reportable crashes, 2 of them fatal (6.13 per 100 power units vs 2.98 for all carriers).
Updated Oct 11, 2026 · crashes and inspections to Sep 30, 2026
Power units
604
#15 in OK
Drivers
712
712 with commercial license
Crashes, 24 mo
37
2 fatal
Per 100 trucks
6.13
All carriers: 2.98
Vehicles out of service
14.2%
All inspections: 22.8%
Inspections, 24 mo
1,074
49% 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 | |
|---|---|---|---|
| Oklahoma Tank Lines | 6.13 | 14.2% | 0.9% |
| Carriers with 10+ trucks in OK | 2.67 | 18.9% | 2.6% |
| 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
2 people killed and 18 injured
- Fatal2
- Injury13
- Tow-away22
Roadside inspections, 24 months
Inspections and how many ended out of service
| Kind | Inspections | Out of service | Rate |
|---|---|---|---|
| Driver | 1,074 | 10 | 0.9% |
| Vehicle | 995 | 141 | 14.2% |
| Hazardous load | 876 | 22 | 2.5% |
Carrier facts
- Carrier number
- 185040
- Based in
- Oklahoma City, Oklahoma
- Registered
- Jun 1, 1974
- Operation
- Across state lines
- Carries
- Freight
- Authority for hire
- Active
- Safety rating
- Satisfactory (Nov 20, 2006)
- Miles driven
- 40.0 million (2025)
- Type
- For hire
- Cargo
- Chemicals, General freight, Intermodal containers, Liquids gases, Other
- Last update filed
- Jan 7, 2026
Questions and answers
How many trucks does Oklahoma Tank Lines have?
Oklahoma Tank Lines reports 604 power units (trucks, tractors and buses) and 712 drivers, 712 of them with a commercial license. That is the 753rd largest fleet among US trucking carriers. Its trucks drove 40.0 million miles in 2025.
Is Oklahoma Tank Lines a safe carrier?
In 24 months Oklahoma Tank Lines had 37 reportable crashes, 6.13 per 100 power units (above the 2.98 of all carriers with 10+ trucks). 14.2% of its vehicle inspections took the truck off the road (all inspections: 22.8%). Its latest official safety rating is Satisfactory (Nov 20, 2006). 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.