Onecor Services Llc is an active interstate carrier based in Williston, ND.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 19 | 0 | 0 |
| Tractors | 19 | 0 | 0 |
| Total Power Units | 51 | ||
Distinct vehicles · 24 mo
vs 51 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 | 60% | 88% | Around peer average |
| HOS Compliance | 97% | 95% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 63% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 4 | — | 22.26% |
| Hazmat | 4 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 31 | 4 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 4, 2026 | TX | STRAIGHT TRUCK | 6 | 0 |
| Jan 20, 2026 | MT | TRUCK TRACTOR | 1 | 1 |
| Jan 14, 2026 | SD | TRUCK TRACTOR | 3 | 0 |
| Nov 7, 2025 | ND | TRUCK TRACTOR | 0 | 0 |
Carriers that share an officer, phone, or email with this DOT.
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 3 | 0.66 | — |
| Vehicle Maintenance | 20 | 6.50 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 6 states. Top state ND accounts for 42% of activity. Activity outside home state (ND): 58%.
+1 other state with fewer inspections
| Hazardous Materials Compliance |
| 5 |
| 1 |
| 0 |
| Hours-of-Service Compliance | 2 | 1 | 1 |
| Unsafe Driving | 1 | 0 | 0 |
| Sep 26, 2025 |
| TX |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Sep 7, 2025 | MO | TRUCK TRACTOR | 4 | 0 |
| Aug 5, 2025 | MT | TRUCK TRACTOR | 0 | 0 |
| Jul 4, 2025 | TX | TRUCK TRACTOR | 1 | 1 |
| Jun 28, 2025 | WY | TRUCK TRACTOR | 1 | 1 |
| Jun 26, 2025 | ND | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 4, 2026 | 39381 | Horn inoperative | Vehicle Maintenance | — |
| Feb 4, 2026 | 172202A4 | No or improper Packing Group listed | Hazardous Materials Compliance | — |
| Feb 4, 2026 | 177817E | Shipping paper accessibility | Hazardous Materials Compliance | — |
| Feb 4, 2026 | 178704E | IBC bottom discharge valve protection | Hazardous Materials Compliance | — |
| Feb 4, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Feb 4, 2026 | 3939T | Inoperable tail lamp | Vehicle Maintenance | — |
| Jan 20, 2026 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Jan 14, 2026 | 3958A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Hours-of-Service Compliance | — |
| Jan 14, 2026 | 3963A1OAL | Other - Any air leak not attributed to the brake or suspension system. | Vehicle Maintenance | — |
| Jan 14, 2026 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |