Twin Falls Oil Service Llc is an active interstate carrier based in Killdeer, ND.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 42 | 0 | 0 |
| Tractors | 42 | 0 | 0 |
| Trailers | 44 | 0 | 0 |
| Total Power Units | 42 | ||
Distinct vehicles · 24 mo
vs 42 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 83% | 91% | Worse than most peers |
| HOS Compliance | 100% | 96% | Worse than most peers |
| Driver Fitness | 62% | 94% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 93% | 95% | 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 | 7 | — | 6.67% |
| Vehicle | 0 | 29 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 1 | 1 | 1 |
| Apr 1, 2025 | 0 | 1 | 2 | 2 |
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 209 | 64 | 29 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | ND | TRUCK TRACTOR | 0 | 0 |
| Mar 24, 2026 | MT | TRUCK TRACTOR | 5 | 1 |
| Mar 5, 2026 | SD | TRUCK TRACTOR | 8 | 1 |
| Feb 25, 2026 | TX | TRUCK TRACTOR | 4 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 0.87 | — |
| HOS Compliance | 11 | 1.10 | — |
| Vehicle Maintenance | 41 | 18.40 | — |
| Driver Fitness | 1 | 0.07 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 15 states. Top state ND accounts for 47% of activity. Activity outside home state (ND): 53%.
+10 other states with fewer inspections
| Hours-of-Service Compliance |
| 13 |
| 2 |
| 6 |
| Unsafe Driving | 5 | 0 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| Feb 23, 2026 | TX | TRUCK TRACTOR | 2 | 0 |
| Feb 15, 2026 | SD | TRUCK TRACTOR | 0 | 0 |
| Feb 3, 2026 | MT | TRUCK TRACTOR | 8 | 2 |
| Jan 21, 2026 | SD | TRUCK TRACTOR | 5 | 1 |
| Jan 13, 2026 | SD | TRUCK TRACTOR | 0 | 0 |
| Dec 29, 2025 | NE | TRUCK TRACTOR | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Mar 24, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Mar 24, 2026 | 3939ALTSIR | Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit | Vehicle Maintenance | — |
| Mar 24, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Mar 24, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Mar 5, 2026 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Mar 5, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Mar 5, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Mar 5, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Mar 5, 2026 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |