Updated Oct 22, 2026

Ensign United States Drilling Inc

As of Oct 22, 2026, Ensign United States Drilling Inc in Lasalle, Colorado reports 175 power units and 124 drivers on its MCS-150, FMCSA safety rating: satisfactory.

18287 WCR 394, Lasalle, Colorado 80645 (970) 397-7322

Verified Oct 22, 2026 against FMCSA Company Census File (data.transportation.gov)

Ensign United States Drilling Inc (USDOT 659413, MC-629716), doing business as Jonah Trucking, is an active motor carrier based in Lasalle, Colorado that FMCSA's census classifies as for-hire and that declares hazardous materials on its MCS-150. Operation: interstate. Operating authority: active for-hire authority (MC). Fleet: 175 power units and 124 drivers (102 with CDLs). Power units count straight trucks as well as tractors, so they can exceed the tractor count. It reported 3,805,545 miles for 2025 on its MCS-150. Cargo classes declared: liquids / gases, oilfield equipment, general freight, building materials, construction, machinery, large objects, metal: sheets, coils, rolls, water well, other cargo (other: Production Water). It is also classified as a private carrier of its own goods. FMCSA safety rating: satisfactory, from a compliance review on August 26, 2022. In the last 24 months it had 29 roadside inspections, 2 of them (6.9%) with an out-of-service order; 4 reportable crashes (1 death, 3 injuries); a crash on record does not by itself mean the carrier caused it. Registration (MCS-150) last updated April 6, 2026.

Key facts

Fleet size	100–499 power units Power units, banded. source
FMCSA safety rating	Satisfactory Satisfactory, Conditional or Unsatisfactory after an FMCSA compliance review; most carriers have never had one and are not rated. source
Rating age	Rated within the last 5 years How old the FMCSA safety rating is. A rating reflects one compliance review on that date, not current performance; old ratings say little about the carrier today. source
Registration update overdue	No The MCS-150 was last updated more than two years ago, past FMCSA's two-year update requirement; fleet, driver and cargo figures may be out of date. source
Operation	Interstate Interstate, intrastate hazmat or intrastate non-hazmat, as declared on the MCS-150. source
Cargo classes (MCS-150)	Liquids / gases, Oilfield equipment, General freight, Building materials, Construction, Machinery, large objects, Metal: sheets, coils, rolls, Water well, Other cargo Cargo the carrier declared it hauls on its latest MCS-150 (FMCSA's fixed cargo list). source
Driver count	100–499 drivers Total drivers, banded. source
Last MCS-150 update	Apr 6, 2026 When the carrier last updated its registration (required at least every two years). source
Out-of-service share (24 months)	Under 10% out of service The share of the carrier's roadside inspections in the last 24 months that ended in an out-of-service order. A carrier with few inspections can swing on one result. source
Roadside inspections (24 months)	29 Roadside inspections of the carrier's drivers and vehicles in FMCSA's Safety Measurement System file, which covers the last 24 months and is refreshed monthly. source
Reportable crashes (24 months)	4 Crashes involving the carrier's vehicles that met FMCSA's reporting threshold (a death, an injury treated away from the scene, or a vehicle towed away) in the last 24 months. A crash on record does not mean the carrier caused it. source
Doing business as	Jonah Trucking source
USDOT number	659413 source
MC docket	MC-629716 source
Operating authority	Active for-hire authority (MC) source
Other cargo (as described)	Production Water source
Power units	175 source
Tractors (owned or leased)	56 source
Trailers (owned or leased)	521 source
Drivers	124 source
CDL drivers	102 source
Miles reported (MCS-150)	3,805,545 miles source
Mileage year	2025 source
Also hauls its own freight	Yes source
Safety rating date	Aug 26, 2022 source
USDOT registered since	Sep 18, 1996 source
Business type	Corporation source
Inspections with an out-of-service order (24 months)	2 source
Hazmat inspections (24 months)	0 source
Hazmat out-of-service orders (24 months)	0 source
Deaths in those crashes	1 source
Injuries in those crashes	3 source
Crashes with a hazmat release (24 months)	0 source

Source event history

Source dates and first observation are different.

Apr 6, 2026: Filed an MCS-150 update Official source
Aug 26, 2022: Rated by FMCSA Official source
Sep 18, 1996: Registered with FMCSA Official source

Dates on this record

Source updated	Oct 22, 2026 (FMCSA census rows last updated (portal metadata) (the whole dataset, not this record))
Collected	Oct 22, 2026, 10:22 PM ET (the last successful check of the source that included this record)
Effective	Filed an MCS-150 update: Apr 6, 2026; Rated by FMCSA: Aug 26, 2022; Registered with FMCSA: Sep 18, 1996 (when the source says each fact took effect)
Retired	Not retired: the source is still maintained (whether the dataset is still maintained)

In Colorado

148 hazmat carriers in the dataset are in Colorado; 10 have profiles on this site. Hazmat carriers in Colorado

FMCSA safety rating (all 148 here): Conditional 4 (3%) · Not rated 82 (55%) · Satisfactory 62 (42%)

Rating age (all 148 here): Rating over 10 years old 35 (24%) · Not rated 82 (55%) · Rated within the last 5 years 18 (12%) · Rating 5–10 years old 13 (9%)

Fleet size (all 148 in this group): 10–24 power units (76) · 25–99 power units (61) · 100–499 power units (8) · 500+ power units (3)

Cargo classes (MCS-150) (all 148 in this group; a record can count under several values): General freight (96) · Machinery, large objects (73) · Other cargo (71) · Liquids / gases (67) · Building materials (67) · Construction (67) · 24 other values (510)

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Browse related lists

USDOT number: The registration number every interstate (and many intrastate) commercial carrier holds.

MCS-150: The registration form carriers file with FMCSA and must update at least every two years; fleet, drivers, cargo and the hazmat flag on this site come from it, as the carrier declared them.

Safety rating: FMCSA's result after an on-site compliance review: Satisfactory, Conditional or Unsatisfactory. A rating is not refreshed unless FMCSA reviews the carrier again, so many are years old; each profile gives the review date. Most carriers have never been reviewed and are not rated; that is not a bad mark.

Power units: Trucks and tractors that pull or carry freight.

Reportable crash: A crash involving the carrier's vehicle with a death, an injury treated away from the scene or a vehicle towed away. FMCSA records it whoever was at fault.

Cargo classes: Self-declared on the MCS-150 from FMCSA's fixed list. Some carriers tick most of the list, so a long list means 'declared', not 'specialises in'; the hazmat flag does not say which hazardous materials.

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Something wrong or out of date? Suggest a correction. Source record ID 659413.