Ja Oil Field Manufacturing Inc is an active interstate carrier based in Oklahoma City, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Total Power Units | 6 | ||
Distinct vehicles · 24 mo
vs 6 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 86% | 92% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 75% | 85% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 2 | 1 | 1 |
| Unsafe Driving | 1 | 0 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 16, 2026 | PA | STRAIGHT TRUCK | 0 | 0 |
| Feb 15, 2026 | TX | STRAIGHT TRUCK | 2 | 1 |
| Dec 10, 2025 | TX | STRAIGHT TRUCK | 0 | 0 |
| Oct 10, 2025 | TX | STRAIGHT TRUCK | 0 | 0 |
| Aug 14, 2025 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.83 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 3.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state PA accounts for 36% of activity. Activity outside home state (OK): 91%.
| TX |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| May 15, 2025 | PA | STRAIGHT TRUCK | 0 | 0 |
| Apr 22, 2025 | PA | TRUCK TRACTOR | 0 | 0 |
| Feb 18, 2025 | OH | STRAIGHT TRUCK | 0 | 0 |
| Oct 11, 2024 | OK | TRUCK TRACTOR | 1 | 0 |
| May 31, 2024 | MO | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 15, 2026 | 3939TS | Inoperative turn signal | Vehicle Maintenance | Yes |
| Feb 15, 2026 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Oct 11, 2024 | 3922SLLILC | State/Local Laws - Improper lane change | Unsafe Driving | — |
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