Ensign United States Drilling Inc
USDOT 659413 · MC-629716 · Lasalle, Colorado · Interstate for-hire carrier · 100–249 power units
Ensign United States Drilling Inc (dba Jonah Trucking) is a corporation based in Lasalle, Colorado, registered with the FMCSA as an interstate carrier (private property, authorized for hire). It reports 175 power units and 124 drivers, which ranks it #25 by fleet size among 122 active for-hire carriers with 50+ power units headquartered in Colorado. In the 24 months to Sep 24, 2026 its trucks were inspected 29 times – about 0.2 inspections per power unit. 13.3% of vehicle inspections and 0.0% of driver inspections ended with an out-of-service order, against 18.8% and 2.6% for carriers of the same size nationally. FMCSA records 4 reportable crashes in the last 24 months (3 injuries, 1 fatality, 4 tow-away), or 2.3 per 100 power units versus 4.5 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are general freight, metal: sheets, coils, rolls, building materials, machinery, large objects, liquids / gases, oilfield equipment, construction, water well.
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Registration and contact
| Legal name | Ensign United States Drilling Inc |
|---|---|
| DBA name | Jonah Trucking |
| USDOT number | 659413 |
| Operating authority (docket) | MC-629716 |
| Entity type | Private Property, Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 18287 Wcr 394, Lasalle, CO 80645 |
| Phone | (970) 397-7322 |
| First registered | Sep 18, 1996 |
| Last MCS-150 update | Apr 6, 2026 |
| Hazmat carrier | Yes |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 659413.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 119 | 0 | 0 |
| Truck tractors | 56 | 0 | 0 |
| Trailers | 521 | 0 | 0 |
- 0.71 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 9.3 trailers per tractor – a drop-and-hook style trailer pool.
- 3,805,545 miles reported for 2025 – about 21,746 miles per power unit vs a 41,613 median for 100–249-unit fleets.
- 100% of listed equipment is owned rather than leased.
- 102 CDL drivers; 85 drivers operate interstate beyond 100 miles, 0 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 100–249-unit for-hire carriers nationally (2,611) and Colorado carriers with 50+ units (122).
| Measure | Ensign United States Drillin | Same size, US | CO average | |
|---|---|---|---|---|
| Small sample: fewer than 20 vehicle or driver inspections, so rates can swing a lot with one inspection. | ||||
| Vehicle out-of-service rate | 13.3% | 18.8% | 19.0% | 29% lower than average |
| Driver out-of-service rate | 0.0% | 2.6% | 2.2% | none recorded |
| Crashes per 100 power units | 2.3 | 4.5 | 1.8 | 49% lower than average |
| Inspections | 29 | 29 with a driver check, 15 with a vehicle check, 9 BASIC violations recorded | ||
| FMCSA safety rating | Satisfactory (rated Aug 26, 2022) | |||
Cargo carried
Less common in this directory: water well (130 of 5,000 carriers); oilfield equipment (522 of 5,000 carriers).
Similar carriers in Colorado
Closest fleet size and cargo mix among Colorado carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Kinetic Energy Services LLC USDOT 2488587 | Lucerne | 163 | 50 | 31 | 58.3% | 1 |
| Sooner Inc USDOT 3493016 | Lafayette | 143 | 125 | 104 | 32.5% | 3 |
| U S Transport Inc USDOT 1331834 | Denver | 203 | 134 | 223 | 20.2% | 7 |
| Rocky Mountain Structures Inc USDOT 927266 | Englewood | 234 | 163 | 72 | 27.9% | 3 |
| Sitewise LLC USDOT 1034971 | Henderson | 189 | 435 | 77 | 8.3% | 3 |
| Quality Logistics Inc USDOT 22520 | Englewood | 135 | 131 | 268 | 35.4% | 4 |
Other carriers near Lasalle
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| JBS Carriers Inc USDOT 184843 | Greeley | 1,188 | 573 | 627 | 17.1% | 40 |
| KB Custom Ag Services LLC USDOT 1671938 | Eaton | 352 | 335 | 99 | 9.9% | 7 |
| 1888 Industrial Services LLC USDOT 1837165 | Ault | 182 | 205 | 14 | 50.0% | 1 |
| G&Z Transport LLC USDOT 2184839 | Brighton | 122 | 246 | 120 | 18.2% | 8 |
| Balic Transport Inc USDOT 2505109 | Brighton | 120 | 120 | 668 | 22.6% | 11 |
| HP Oilfield Services LLC USDOT 3220699 | Platteville | 111 | 80 | 20 | 23.1% | 2 |
| Atlas Energy Services LLC USDOT 2587786 | La Salle | 90 | 71 | 20 | 18.2% | 1 |
| H2 Enterprises LLC USDOT 3617640 | Keenesburg | 90 | 75 | 17 | 9.1% | 1 |
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FAQ
What is the USDOT number of Ensign United States Drilling Inc?
Ensign United States Drilling Inc is registered with USDOT number 659413 and operating authority MC-629716.
How many trucks does Ensign United States Drilling Inc have?
It reports 175 power units (56 tractors, 119 straight trucks) and 521 trailers, with 124 drivers, on its last MCS-150 update (Apr 6, 2026).
Where is Ensign United States Drilling Inc located?
Its registered physical address is in Lasalle, Colorado 80645.
What is the out-of-service rate of Ensign United States Drilling Inc?
Over 24 months, 13.3% of vehicle inspections and 0.0% of driver inspections resulted in an out-of-service order (same-size national average: 18.8% vehicle, 2.6% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.