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MULLINAX INC
Sheridan, WY
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active registration · no operating authority · DOT 101135
Active
Satisfactory
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Satisfactory
2 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- FMCSA safety rating: Satisfactory
- 2 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
101135
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Private (property)
MCS-150 Filed
June 16, 2025
FMCSA Registration
June 1, 1974
Annual Mileage
3,812 mi (2024)
Contact Information
Address
2237 Industrial Road, Sheridan, WY 82801-8304
Phone
Email
Owner / Officer
Nathan Mullinax
Cargo Types
Building MaterialsMachinery/Large ObjectsCoal/CokeConstruction MaterialsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
2
Driver Inspections
2
Vehicle Inspections
2
Out-of-Service Violations
2
Violations by Category
Vehicle Maintenance7
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Inspection Trend by Year
2025
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
2 of 2 inspections
Unsafe Driving
0 of 2 inspections
Hours of Service
0 of 2 inspections
Driver Fitness
0 of 2 inspections
Controlled Substances
0 of 2 inspections
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
1
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| August 22, 2025 | WY | — | 1 | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
WY2
Fleet & Equipment (2)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~2
of 7 reported to FMCSA
Trailers
—
seen at inspection
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 1984 Ford L9000 | Truck · Class 7 | 1FDXK90WXEVA34230 | 1 | 1 |
| 2000 Sterling Truck L7500 series | Truck · Class 8 | 2FZNAJCB2YAG88434 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (2)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| August 22, 2025 | TJDC000829 | WY 331 MP 0.77, WY | I | 4 | 1 | MULLINAX INC | Straight Truck |
FORD |
1FDXK90WXEVA34230 |
WY WY358 |
| 396.3A1-BOS | OOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Brake Out Of Service | ||||||||
| 393.47A-BCLMAD | Air Disc Brake - Cracked/loose/missing lining/pad. | Brakes All Others | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.48A-BIBD | Drum Brake - Inoperative other than a steering axle | Brakes All Others | ||||||||
| June 24, 2025 | PAJH000441 | SHERIDAN/DIETZ POE, WY | I | 3 | 1 | MULLINAX INC | Straight Truck |
STERLING TRUCK |
2FZNAJCB2YAG88434 |
WY 03C59 |
| 393.100B-C | OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Improper Load Securement | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Brakes All Others | ||||||||
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 20, 2026.
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