Harper Sanitation Service Inc is an active intrastate non-hazmat carrier based in Woodward, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 20 | 0 | 0 |
| Total Power Units | 20 | ||
Distinct vehicles · 24 mo
vs 20 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 | 72% | 92% | Around peer average |
| 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 | 82% | 93% | 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 | — | 4.44% |
Where they run
Inspected in 1 state. Top state accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 | 4 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 20, 2025 | OK | STRAIGHT TRUCK | 3 | 0 |
| Aug 4, 2025 | OK | STRAIGHT TRUCK | 2 | 0 |
| Dec 4, 2024 | OK | STRAIGHT TRUCK | 1 | 1 |
| Nov 6, 2024 | OK | STRAIGHT TRUCK | 3 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 1.05 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 9.87 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Unsafe Driving |
| 3 |
| 3 |
| 0 |
| Jul 30, 2024 | OK | STRAIGHT TRUCK | 1 | 0 |
| Jul 25, 2024 | OK | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 20, 2025 | 39311A1LRLM | Lighting - Tail lamp - Any missing | Vehicle Maintenance | — |
| Nov 20, 2025 | 39311A1LTNRV | Lighting - Turn signal - Any missing not on the rearmost vehicle. | Vehicle Maintenance | — |
| Nov 20, 2025 | 3939ALHWS | Lighting - Hazard warning signal(s) inoperative | Vehicle Maintenance | — |
| Aug 4, 2025 | 3939AHLLH | Lighting - Headlamp(s) fail to operate on low and high beam | Vehicle Maintenance | — |
| Aug 4, 2025 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 4, 2024 | 393205CWR | Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | Yes |
| Nov 6, 2024 | 39216AD | Driver - Failed to use seat belt while operating a CMV. | Unsafe Driving | — |
| Nov 6, 2024 | 39330B | Battery - Not protected | Vehicle Maintenance | — |
| Nov 6, 2024 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Jul 30, 2024 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |