Pronghorn Well Service 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 | 7 | 0 | 0 |
| Tractors | 7 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
| Total Power Units | 7 | ||
Distinct vehicles · 24 mo
vs 7 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 94% | 94% | Worse than most peers |
| HOS Compliance | 94% | 92% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 82% | 88% | 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 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 15 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 17, 2026 | ND | TRUCK TRACTOR | 1 | 0 |
| May 28, 2025 | ND | TRUCK TRACTOR | 0 | 0 |
| May 26, 2025 | ND | TRUCK TRACTOR | 0 | 0 |
| Jan 6, 2025 | MT | TRUCK TRACTOR | 0 | 0 |
| Dec 16, 2024 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 2.21 | — |
| HOS Compliance | 1 | 0.10 | — |
| Vehicle Maintenance | 3 | 11.20 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 3 states. Top state ND accounts for 63% of activity. Activity outside home state (ND): 37%.
| 3 |
| Unsafe Driving | 2 | 0 | 0 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| MT |
| TRUCK TRACTOR |
| 3 |
| 1 |
| Oct 17, 2024 | WY | TRUCK TRACTOR | 10 | 1 |
| Jul 12, 2024 | ND | STRAIGHT TRUCK | 1 | 0 |
| Jun 27, 2024 | ND | STRAIGHT TRUCK | 3 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 17, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Dec 16, 2024 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Dec 16, 2024 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Dec 16, 2024 | 3958A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Hours-of-Service Compliance | — |
| Oct 17, 2024 | 393104BC | Cargo - Damaged securement devices/tiedowns | Vehicle Maintenance | — |
| Oct 17, 2024 | 39345B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | Vehicle Maintenance | — |
| Oct 17, 2024 | 39345DBAAL | Air Brake - Audible air leak at other than a proper connection | Vehicle Maintenance | Yes |
| Oct 17, 2024 | 39345DLPC | Brake Connections with Leaks - Connection to Power Unit | Vehicle Maintenance | — |
| Oct 17, 2024 | 39347A | Inadequate brakes for safe stopping - Brake Lining condition | Vehicle Maintenance | — |
| Oct 17, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |