DBA: Jonah Trucking
Ensign United States Drilling Inc is an active interstate carrier based in Lasalle, CO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 119 | 0 | 0 |
| Tractors | 56 | 0 | 0 |
| Trailers | 521 | 0 | 0 |
| Total Power Units | 175 | ||
Distinct vehicles · 24 mo
vs 175 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 | 0% | 0% | Better than most peers |
| HOS Compliance | 77% | 97% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 47% | 88% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 1 | 1 | 1 |
| Apr 1, 2025 | 0 | 1 | 1 | 1 |
| Oct 1, 2024 | 1 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 13 | 0 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 10, 2026 | CO | TRUCK TRACTOR | 0 | 0 |
| Jan 13, 2026 | CO | STRAIGHT TRUCK | 0 | 0 |
| Jan 13, 2026 | CO | TRUCK TRACTOR | 0 | 0 |
| Nov 19, 2025 | WY | TRUCK TRACTOR | 0 | 0 |
| Nov 18, 2025 | WY |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 0.17 | — |
| Vehicle Maintenance | 5 | 1.64 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state CO accounts for 56% of activity. Activity outside home state (CO): 44%.
| Hours-of-Service Compliance |
| 1 |
| 0 |
| 0 |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Nov 12, 2025 | NV | STRAIGHT TRUCK | 0 | 0 |
| Oct 30, 2025 | CO | STRAIGHT TRUCK | 1 | 0 |
| Oct 23, 2025 | CO | TRUCK TRACTOR | 0 | 0 |
| Oct 20, 2025 | CO | TRUCK TRACTOR | 0 | 0 |
| Oct 9, 2025 | WY | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 30, 2025 | 3922SLSNC | State/Local Laws - CMV snow chains required | Vehicle Maintenance | — |
| Aug 20, 2025 | 39532BELDDFR | HOS (ELD) - Driver failed to review any unassigned driving time when prompted by the ELD | Hours-of-Service Compliance | — |
| Aug 19, 2025 | 393104F3C | Cargo - Loose or unfastened tiedown | Vehicle Maintenance | — |
| Aug 19, 2025 | 393110B3C | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo longer than 10 feet | Vehicle Maintenance | Yes |
| Aug 1, 2024 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Aug 1, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Aug 1, 2024 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Aug 1, 2024 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| May 15, 2024 | 39345B2B | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| May 15, 2024 | 39348ABIBD | Drum Brake - Inoperative other than a steering axle | Vehicle Maintenance | — |