Onecor Services LLC
USDOT 3312623 · MC-67026750 · Williston, North Dakota · Interstate for-hire carrier · 50–99 power units
Onecor Services LLC is a company based in Williston, North Dakota, registered with the FMCSA as an interstate carrier (private property, authorized for hire). It reports 86 power units and 34 drivers, which ranks it #34 by fleet size among 73 active for-hire carriers with 50+ power units headquartered in North Dakota. In the 24 months to Sep 24, 2026 its trucks were inspected 34 times – about 0.4 inspections per power unit. 29.6% of vehicle inspections and 5.9% of driver inspections ended with an out-of-service order, against 20.5% and 3.3% for carriers of the same size nationally. FMCSA records 1 reportable crash in the last 24 months (0 injuries, 0 fatalities, 1 tow-away), or 1.2 per 100 power units versus 4.8 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are liquids / gases, oilfield equipment, chemicals.
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Registration and contact
| Legal name | Onecor Services LLC |
|---|---|
| DBA name | — |
| USDOT number | 3312623 |
| Operating authority (docket) | MC-67026750 |
| Entity type | Private Property, Authorized for Hire |
| Operation | Interstate |
| Business type | — |
| Physical address | 606 E Dakota Pkwy, Williston, ND 58801 |
| Phone | (701) 500-2354 |
| First registered | Jul 18, 2019 |
| Last MCS-150 update | Apr 24, 2026 |
| Hazmat carrier | No |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 3312623.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 32 | 0 | 0 |
| Truck tractors | 19 | 0 | 0 |
| Trailers | 20 | 0 | 0 |
- 0.40 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 1.1 trailers per tractor.
- 1,333,317 miles reported for 2025 – about 15,504 miles per power unit vs a 38,151 median for 50–99-unit fleets.
- 100% of listed equipment is owned rather than leased.
- 34 CDL drivers; 14 drivers operate interstate beyond 100 miles, 20 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 50–99-unit for-hire carriers nationally (5,500) and North Dakota carriers with 50+ units (73).
| Measure | Onecor Services LLC | Same size, US | ND average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 29.6% | 20.5% | 22.1% | 45% higher than average |
| Driver out-of-service rate | 5.9% | 3.3% | 1.2% | 77% higher than average |
| Crashes per 100 power units | 1.2 | 4.8 | 2.9 | 76% lower than average |
| Inspections | 34 | 34 with a driver check, 27 with a vehicle check, 52 BASIC violations recorded, 12 hazmat-related | ||
| FMCSA safety rating | Not rated – most carriers have never had a compliance review; this is not a negative finding. | |||
Cargo carried
Less common in this directory: oilfield equipment (522 of 5,000 carriers).
Similar carriers in North Dakota
Closest fleet size and cargo mix among North Dakota carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Stellar Field Service Inc USDOT 2313851 | Williston | 89 | 42 | 15 | 42.9% | 1 |
| Karriers Inc USDOT 245349 | Grand Forks | 74 | 32 | 98 | 43.4% | 8 |
| Border States Paving Inc USDOT 119768 | Fargo | 78 | 97 | 35 | 31.6% | 3 |
| HJH Logistics LLC USDOT 3338255 | Fargo | 83 | 65 | 22 | 0.0% | 1 |
| Martin Construction Inc USDOT 1042722 | Dickinson | 71 | 45 | 28 | 20.0% | 2 |
| Dacotah Paper Company USDOT 119819 | Fargo | 70 | 56 | 53 | 25.9% | 3 |
Other carriers near Williston
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Horizon Resources USDOT 316025 | Williston | 70 | 54 | 27 | 9.1% | 1 |
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FAQ
What is the USDOT number of Onecor Services LLC?
Onecor Services LLC is registered with USDOT number 3312623 and operating authority MC-67026750.
How many trucks does Onecor Services LLC have?
It reports 86 power units (19 tractors, 32 straight trucks) and 20 trailers, with 34 drivers, on its last MCS-150 update (Apr 24, 2026).
Where is Onecor Services LLC located?
Its registered physical address is in Williston, North Dakota 58801.
What is the out-of-service rate of Onecor Services LLC?
Over 24 months, 29.6% of vehicle inspections and 5.9% of driver inspections resulted in an out-of-service order (same-size national average: 20.5% vehicle, 3.3% 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.