Carrierintel
OS

ONECOR SERVICES LLC

Carrierintel Safety Score: 63/100. 43 inspection violations in 12 months. Last inspected Jul 2026.

DOT 3312623MC 1052558ActiveNew Entrant · month 1 of 18Motor CarrierInterstateNational American Insurance CompanyWILLISTON, ND

COMPANY

Authority since
2026-10-09
MCS-150
2026-04-24 · 1,333,317 mi (2025)
Fleet
86 units · 20 trailers · 34 drivers
Annual mileage (VMT)
1,333,317 mi (2025)

ADDRESS

Physical
606 E DAKOTA PKWY
WILLISTON, ND 58801
Mailing
PO BOX 893
WILLISTON, ND 58802

CONTACT

Phone
7015002354
Email
hjohnson@onecor.com

OFFICERS

Primary Officer
HEIDI JOHNSON
Title
CFO

OPERATION & CARGO

Operation classification
Private Property · Authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
4
Liquids / GasesOilfield EquipmentChemicalsOther: OTHER
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
0 mo
Active authority
INSURANCE
1 active
National American Insurance Company
RISK GRADE
Moderate Risk
3 risk factors · 2 strengths
OOS RATE
27.9%
12 / 43 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

63
out of 100
Fair
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
86 power units
Unique power units seen
12
+ 11 trailer VINs
+ 1 unclassified VINs
Inspections
18
Discrepancy
0.1x

Moderate Risk

3 risk factors · 2 strengths · 5 data points

SAFETY PERFORMANCE

Crash Record
1 crashes · 0 fatal · 0 with injuries · 1 tow-away
Clean Inspection Rate
72% — 31 clean of 43 inspections
Out-of-Service Rate
27.9% — driver OOS 2 insp., vehicle OOS 11 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
6 historical event(s) on file
MCS-150 Filing
Last filed 2026-04-24

INSURANCE

Active Coverage
1 policy(ies) on file · total max coverage $750,000

SUMMARY

High OOS rate 28% (last 24 mo)
2.2 violations per inspection
Interstate authority granted less than 1 month ago — too new to rate as minimal risk
Low crash rate (0.6 per 100 trucks/yr)
Active insurance on file

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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