Longleaf Environmental Services Llc is an active interstate carrier based in Elk City, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 9 | ||
Distinct vehicles · 24 mo
vs 9 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 | 78% | 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 | 88% | 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 OK accounts for 100% of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 7 | 3 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | OK | TRUCK TRACTOR | 2 | 1 |
| May 21, 2025 | OK | TRUCK TRACTOR | 1 | 0 |
| Apr 9, 2025 | OK | TRUCK TRACTOR | 1 | 0 |
| May 1, 2024 | OK | TRUCK TRACTOR | 4 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.77 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 10.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Unsafe Driving | 1 | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 23, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| May 21, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Apr 9, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| May 1, 2024 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| May 1, 2024 | 39330 | Improper battery installation | Vehicle Maintenance | — |
| May 1, 2024 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| May 1, 2024 | 3963A1LLEAK | A liquid fuel system with a dripping leak at any point | Vehicle Maintenance | Yes |