COWBOY OILFIELD SERVICES LLC

USDOT 4156836 • 1290 OAK HILL TRL, STEPHENVILLE, TX, 76401-8220

ACTIVE
Authority:None on file
Insurance:None on file
BOC-3:Not on file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT
4,156,836
Status
ACTIVE
Operation
Interstate
State
Phone
2544854647
Email
OFFICE@COWBOYOILFIELDSERVICE.
Power Units (MCS-150)
8
Drivers (MCS-150)
11
MCS-150 Mileage
1
Physical Address
1290 OAK HILL TRL, STEPHENVILLE, TX, 76401-8220
Mailing Address
PO BOX 2401, STEPHENVILLE, TX, 76401-8220

Risk Signals2 flagged

MEDIUM
Elevated vehicle OOS rate: 50.0%
National average is 23.4%. This carrier's vehicle OOS rate is 26.6 percentage points above average.
MEDIUM
Elevated driver OOS rate: 16.7%
National average is 6.7%. This carrier's driver OOS rate is 10.0 percentage points above average.

Signals are auto-detected from FMCSA public records. This is not a regulatory determination.

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority
0
Revoked / Inactive
0
Authority Types
0
Insurance Policies
None on file
BOC-3 Filing
Not on file

Operating Authority

fmcsa-authhistApr 5, 2026
No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Hours of Service
N/A
Unsafe Driving
N/A

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections
6
Violations
40
7 OOS
Vehicle OOS %
50.0%
Above nat'l avg (23.4%)
Driver OOS %
16.7%
Above nat'l avg (6.7%)
Power Units (MCS-150)
8
Drivers (MCS-150)
11
Crash Records
0

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
1
Oct
Nov
2
Dec
1
Jan
Feb
1
Mar
Apr
Clean monthMonth with OOSBased on latest 6 of 6 inspection records

Inspection Activity Map

1 state6 inspections

🚛
None Low Medium High🚛 Home base

Violation Summary (40 violations from 6 inspections)

fmcsa-inspection-file
Violation Summary (40 violations from 6 inspections)
CodeDescription# Violations# OOSSeverity WtBASIC
FMCSR:393.9Inoperable Required Lamp100Vehicle Maintenance
FMCSR:390.21(a)Vehicle marking requirements303General/Admin
FMCSR:393.78Windshield condition defective304Vehicle Maintenance
FMCSR:393.95FEmergency Equipment - Stopped vehicle warning devices missing or improper20Vehicle Maintenance
FMCSR:396.17CNo proof of periodic inspection203Vehicle Maintenance
FMCSR:392.2RGOperating a CMV while ill or fatigued208Unsafe Driving
FMCSR:393.45DLUVBrake tubing/hoses inadequate207Vehicle Maintenance
FMCSR:396.17(c)No proof of periodic inspection203Vehicle Maintenance
FMCSR:393.11TLLighting devices/reflectors103Vehicle Maintenance
FMCSR:393.11TULighting devices/reflectors103Vehicle Maintenance
FMCSR:393.75CTire tread depth insufficient (other axles)105Vehicle Maintenance
FMCSR:393.47ESlack adjuster defective107Vehicle Maintenance
FMCSR:393.53BSteering system components worn107Vehicle Maintenance
FMCSR:393.55C1Coupling device/towing methods defective108Vehicle Maintenance
FMCSR:393.203CHood not securely fastened10Vehicle Maintenance
FMCSR:393.207ASuspension defective117Vehicle Maintenance
FMCSR:393.43ABrake - relay emergency valve117Vehicle Maintenance
FMCSR:393.45Brake tubing/hoses inadequate117Vehicle Maintenance
FMCSR:393.75A3-ATISTires - All others leaking in tread area with inflation more than 50% of the maximum inflation pressure on tire equipped with ATIS11Vehicle Maintenance
FMCSR:393.9TSInoperative turn signal11Vehicle Maintenance
FMCSR:396.3A1BLBrake system pressure loss11Vehicle Maintenance
FMCSR:395.8(f)(1)Drivers record of duty status not current11Hours Of Service

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate
50.0%vs nat'l 23.4%
+26.6 pts above avg
Driver OOS Rate
16.7%vs nat'l 6.7%
+10.0 pts above avg
Violations / Inspection
6.67vs nat'l 1.80
+4.87 above avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

5 total · 60.0% OOS
2025-102026-03
InspectionsOOS

Most frequent inspection stations

Violations by BASIC category

Related Records

Data sources & freshness

FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026