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FMCSA Carrier Profile

COWBOY STATE TRUCKING INC

DBA: Cst

Kemmerer, WY

CarrierChk vetting signal
Review recommended
Elevated Out-of-Service Rate
42.9% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 78% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
See details ↓
FMCSA status: Active & Authorized  ·  DOT 3099409 · MC 76612
No Safety Rating Active 8 yrs, 5 mo
37
Power Units
38
Drivers
9
Inspections
50%
Vehicle OOS
$1,000,000
Insurance

Broker Vetting Summary

Key signals from current FMCSA records

Authority
Active
MC-76612 · Common carrier
Insurance
On File
Great West Casualty Co.
Safety
Not Rated
42.9% OOS · 9 inspections on record
Flags · 1
Elevated Out-of-Service Rate
42.9% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 78% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
  • Operating authority active for 8 yrs, 5 mo
  • Insurance on file: $1,000,000
  • Vehicle out-of-service rate 50.0% — above the 20.7% national average
  • Driver out-of-service rate 0.0% — below the 5.5% national average
  • 9 FMCSA inspections on record

Authority & Compliance

Authority, insurance and required filings

Operating Authority

MC076612
Common Carrier
Active

Insurance on File

GREAT WEST CASUALTY CO.
BI&PD · $1,000,000 · Policy MCP40771A
On File

Required Filings

Liability (BIPD)
$1,000,000

Company Information

Registration, contact and cargo details

FMCSA Registration

DOT Number
3099409
MC Number
MC-76612
Safety Rating
Not Rated
Operation Classification
Authorized for hire
MCS-150 Filed
October 12, 2026
FMCSA Registration
February 20, 2018
Authority Granted
June 8, 2018
Annual Mileage
2,079,539 mi (2025)

Contact Information

Address
408 N Alleman Road, Kemmerer, WY 83101
Owner / Officer
Roger King
Officer 2
Deon Bunker

Cargo Types

General FreightMotor VehiclesDrive/Tow AwayMachinery/Large ObjectsLiquids/GasesOilfield EquipmentCoal/CokeDry BulkChemicalsOther Cargo

Safety Snapshot

Out-of-service rates, violations and crashes

Safety & Inspection Summary

Total Inspections
9
Driver Inspections
4
Vehicle Inspections
8
Out-of-Service Violations
9

Violations by Category

Vehicle Maintenance36
Unsafe Driving5
Hours of Service0

OOS Rates vs. National Average

Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate50.0% · national avg 20.7%
⚠ Above national average (29.3pp higher)
42.9% of 7 inspections in the last 24 months put a driver or vehicle out of service — 78th percentile among carriers with 5–9 inspections (lower is better). CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.

Inspection Trend by Year

2026
3 insp · 4 OOS
2025
5 insp · 3 OOS
2024
1 insp · 2 OOS

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 4 of 6 inspections
Unsafe Driving 4 of 7 inspections
Hours of Service 0 of 7 inspections
Driver Fitness 0 of 7 inspections
Controlled Substances 0 of 7 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
0
Injuries
1
Tow-aways
DateStateFatalInjuredTowConditions
May 28, 2026 WY — — 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
WY6
UT2

Fleet & Equipment (14)

Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Tractor-Trailer Power units Class 8 · trailers up to 42 ft
Power units
~7
of 37 reported to FMCSA
Trailers
~7
seen at inspection
Equipment types observed
Tractor
7
Semi-trailer
5
Dump
1
Tank
1
Units on record
VehicleTypeVINInspectionsWith OOS
1990 Beall Dump · 35 ft 1BN2P3530LB002714 1 —
Beal Semi-trailer 1BN2P362XAY000582 1 —
2018 Kenworth T880 Tractor · Class 8 1XKZD49X4JJ204013 1 —
2018 Kenworth T880 Tractor · Class 8 1XKZD49X6JJ204014 1 1
2025 Peterbilt 567 Tractor · Class 8 1XPCD49X2SD769120 1 —
2021 Peterbilt 367 Tractor · Class 8 1XPTD49X1MD747967 1 1
2020 Peterbilt 367 Tractor · Class 8 1XPTD49X9LD720160 1 1
2019 Peterbilt 389 Tractor · Class 8 1XPXD49X4KD629250 1 —
2005 International 9400i Tractor · Class 8 3HSCNAPRX5N015412 1 —
Beal Semi-trailer 4S9B4DF20ES318036 1 1
Show all 14 units
VehicleTypeVINInspectionsWith OOS
Berkshire Semi-trailer 4S9B4DF22KS318275 1 —
Beal Semi-trailer 4S9B4DF23FS318064 1 1
Beal Semi-trailer 4S9B4DF27ES318034 1 1
2025 Heil Trailer International Tank · 42 ft 5HTSR4225S1167144 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 (9)

DateReport #LocationLevelViolOOSShipperUnit TypeMakeVINLicense
October 5, 2026 TWSS001115 WY, WY I 1 1 SEARLE BROS
Truck Tractor
Semi-trailer
PTRB
BRAZO
1XPCD49X0PD828771
4B9BKDM38VH054823
WY A26612
WY 12-37
393.100B-C OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV Improper Load Securement
May 13, 2026 TMMG000019 WY, WY III — — LCGP CONTAGO
Truck Tractor
Semi-trailer
Semi-trailer
PETERBILT
HEIL TRAILER INTERNATIONAL
HEIL
1XPXD49X4KD629250
5HTSR4225S1167144
5HTPR2931S1167148
WY A26592
ID TV386
ID TV387
April 20, 2026 TWSS000917 KEMMERER, WY II 6 3 CARRIER
Truck Tractor
Semi-trailer
Trailer
PETERBILT
BEAL
BEAL
1XPTD49X9LD720160
4S9B4DF20ES318036
4S9B2DB37ES318037
WY A26606
ID TK750
ID TK767
393.45B2-BHTD OOSAir Brake - Hose/tubing damage into the outer reinforcement ply. Brakes All Others
393.100B-C OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV Improper Load Securement
393.100B-C OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV Improper Load Securement
393.45C-BSG Air Brake - Missing or inadequate Nonmetallic tubing spring guard Brakes All Others
393.45C-BSG Air Brake - Missing or inadequate Nonmetallic tubing spring guard Brakes All Others
393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 Reflective Sheeting
August 28, 2025 25CI001866 ECHO UT I — — GEN. CYCLE
Truck Tractor
Semi-trailer
Trailer
PETERBILT
BERKSHIRE
BERKSHIRE
1XPCD49X2SD769120
4S9B4DF22KS318275
4S9B2DB39KS318276
WY A14191
ID TK8269
WY TK8270
July 31, 2025 TWSS000707 KEMMERER, WY II 7 2 CARRIER
Straight Truck
Semi-trailer
Trailer
KENWORTH
BEAL
BEAL
1XKZD49X6JJ204014
4S9B4DF27ES318034
4S9B2DB33ES318035
WY A14105
ID TK749
ID TK766
393.100B-C OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV Improper Load Securement
393.75A3-TAOL OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS Tires
392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other Dangerous Driving
393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth Tires
393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 Reflective Sheeting
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured Brakes All Others
393.78A-WS Washers - Inoperative washing system. Windshield/ Glass/ Markings
July 2, 2025 TWSS000680 KEMMERER, WY II 3 1 CARRIER
Truck Tractor
Semi-trailer
Trailer
PETERBILT
BEAL
BEAL
1XPTD49X1MD747967
4S9B4DF23FS318064
4S9B2DB3XFS318065
WY A14034
ID TJ5220
ID TJ5221
393.45B2-BHTD OOSAir Brake - Hose/tubing damage into the outer reinforcement ply. Brakes All Others
392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other Dangerous Driving
393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth Tires
July 2, 2025 TWSS000679 KEMMERER, WY II 1 — CARRIER
Truck Tractor
Semi-trailer
Trailer
KENWORTH
BEAL
BEAL
1XKZD49X4JJ204013
1BN2P362XAY000582
1BN1P3234AY000586
WY A14104
ID TK745
ID TK682
392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other Dangerous Driving
April 16, 2025 TWSS000592 KEMMERER, WY II 2 — TATA CHEMICAL
Truck Tractor
Semi-trailer
Trailer
INTERNATIONAL
BEALL
BEAL
3HSCNAPRX5N015412
1BN2P3530LB002714
1BN2P2929FB001559
WY 04-C-2294
ID TJ2598
ID TJ2597
392.2-RRTCD Railroad Crossing - Failed to obey a traffic control device or the direction of an enforcement official at a railroad-highway crossing Dangerous Driving
393.45B2-B-VAC Brake - Vacuum hose(s) or line(s) restricted/abraded/chafed through outer cover-to-cord ply crimped/cracked/broken Brakes All Others
April 17, 2024 24FF000159 I-80 EB MM191, UT I 21 2 —
Truck Tractor
Semi-trailer
Trailer
PTRB
SHIRA
SHIRA
1XPCD49X7SD674018
4S9B4DF23FS318064
4S9B2DB3XFS318065
WY A17074
ID TJ5220
ID TJ5221
393.201A OOSFrame cracked / loose / sagging / broken Cab Body Frame
393.209D OOSSteering system components worn, welded, or missing Steering Mechanism
393.75A OOSFlat tire or fabric exposed Tires
396.3A1DSYE OOSDrive Shaft Yoke Ends Cracked / Loose / Broken / Missing Other Vehicle Defect
396.3A1BL OOSBrake system pressure loss Brakes All Others
393.45 OOSBrake tubing and hose adequacy Brakes All Others
396.3A1B OOSBrakes (general) Explain: Brakes All Others
392.16 Failing to use seat belt while operating a CMV Seat Belt
393.203B Cab/body improperly secured to frame Cab Body Frame
393.203C Hood not securely fastened Cab Body Frame
393.60C Windshield - Damaged or Discolored Windshield/ Glass/ Markings
393.11 No or defective lighting devices or reflective material as required Reflective Sheeting
396.3A1B Brakes (general) Explain: Brakes All Others
393.53B CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear Brakes All Others
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt Brakes Out of Adjustment
393.47B Mis-matched brake chambers on same axle Brakes All Others
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt Brakes Out of Adjustment
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt Brakes Out of Adjustment
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt Brakes Out of Adjustment
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt Brakes Out of Adjustment
393.53B CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear Brakes All Others

Shippers Seen at Inspections

Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.

ShipperInspectionsMost recent
SEARLE BROS 1 October 5, 2026
LCGP CONTAGO 1 May 13, 2026
GEN. CYCLE 1 August 28, 2025
TATA CHEMICAL 1 April 16, 2025

History & Filings

Authority, insurance and process-agent records

Authority History

DateStatusType
May 12, 2022DISCONTINUED REVOCATIONCommon
April 5, 2022INVOLUNTARY REVOCATIONCommon
May 6, 2021INVOLUNTARY REVOCATIONCommon
May 4, 2021DISCONTINUED REVOCATIONCommon
June 8, 2018GRANTEDCommon Carrier

Insurance & Revocation Filings

DateTypeStatus
May 3, 2021BI&PD Primary/ExcessOn file

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Data sourced from FMCSA MCMIS via Socrata. Record last updated: November 2, 2026. Verify directly on FMCSA SAFER Web.

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