Mills Truck & Tractor Service Inc is an active intrastate non-hazmat carrier based in Sand Springs, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Tractors | 9 | 0 | 0 |
| Trailers | 12 | 0 | 0 |
| Total Power Units | 15 | ||
Distinct vehicles · 24 mo
vs 15 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 | 88% | 93% | 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 | 57% | 85% | Around peer average |
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 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 5 | 1 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Jan 15, 2026 | OK | TRUCK TRACTOR | 1 | 0 |
| Dec 11, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Nov 19, 2025 | OK | STRAIGHT TRUCK | 1 | 0 |
| Apr 9, 2025 |
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| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 1.68 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 2.55 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state OK accounts for 100% of activity. Activity outside home state (OK): 0%.
| Unsafe Driving |
| 2 |
| 2 |
| 0 |
| OK |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Jan 13, 2025 | OK | TRUCK TRACTOR | 1 | 0 |
| Dec 19, 2024 | OK | TRUCK TRACTOR | 0 | 0 |
| Nov 12, 2024 | OK | TRUCK TRACTOR | 0 | 0 |
| Aug 29, 2024 | OK | STRAIGHT TRUCK | 3 | 1 |
| Aug 29, 2024 | OK | STRAIGHT TRUCK | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 15, 2026 | 39216AD | Driver - Failed to use seat belt while operating a CMV. | Unsafe Driving | — |
| Nov 19, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Jan 13, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Aug 29, 2024 | 39351 | No or defective brake warning device or pressure gauge | Vehicle Maintenance | Yes |
| Aug 29, 2024 | 39383G | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | Vehicle Maintenance | — |
| Aug 29, 2024 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Aug 29, 2024 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |