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IRON WOLF OILFIELD SERVICES LLC
Midland, TX
CarrierChk vetting signal
Review recommended
Elevated Out-of-Service Rate
54.2% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 93% 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 4032154 · MC 1524190
No Safety Rating
Active 3 yrs, 6 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-1524190 · Common carrier
Insurance
On File
Worth Insurance Co
Safety
Not Rated
54.2% OOS · 32 inspections on record
Flags · 1
Elevated Out-of-Service Rate
54.2% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 93% 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 3 yrs, 6 mo
- Insurance on file: $750,000
- Vehicle out-of-service rate 54.2% — above the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 32 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC1524190
Common Carrier
Insurance on File
WORTH INSURANCE CO
BI&PD · $750,000 · Policy HGAT260239
Required Filings
Liability (BIPD)
$750,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
4032154
MC Number
MC-1524190
Safety Rating
Not Rated
Operation Classification
Authorized for hire
MCS-150 Filed
February 19, 2026
FMCSA Registration
February 22, 2023
Authority Granted
April 6, 2023
Annual Mileage
1,300 mi (2025)
Contact Information
Address
4407 E County Road 76, Midland, TX 79705
Phone
Email
Owner / Officer
Adrian Trevino
Cargo Types
General FreightOilfield EquipmentOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
32
Driver Inspections
3
Vehicle Inspections
32
Out-of-Service Violations
31
Violations by Category
Vehicle Maintenance229
Unsafe Driving1
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate54.2% · national avg 20.7%
⚠ Above national average (33.5pp higher)
54.2% of 24 inspections in the last 24 months put a driver or vehicle out of service —
93rd percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
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
21 of 24 inspections
Unsafe Driving
1 of 24 inspections
Hours of Service
0 of 24 inspections
Driver Fitness
1 of 24 inspections
Controlled Substances
0 of 24 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
TX27
NM2
Fleet & Equipment (27)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~12
of 12 reported to FMCSA
Trailers
~15
seen at inspection
Equipment types observed
Tractor
11
Semi-trailer
5
Flatbed
4
Dump
2
Tank
2
Grain / Hopper
1
Not Applicable
1
Trailer (type not listed)
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| Ptrb | Tractor | 1NPXGGGG50D767558 | 4 | 1 |
| 2015 Peterbilt 579 | Tractor · Class 8 | 1XPBDP9X9FD283195 | 4 | 3 |
| Kauf | Semi-trailer | 5VGFR4331DL001113 | 4 | 3 |
| 2005 Peterbilt 379 | Tractor · Class 8 | 1XP5D49X55N858977 | 3 | 2 |
| 2005 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9X45D859225 | 3 | 2 |
| 2006 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9X46D861686 | 3 | 2 |
| 2015 Construction Trailer Specialists | Dump · 40 ft | 5TU114026FS000150 | 3 | 2 |
| 2015 Construction Trailer Specialists | Dump · 40 ft | 5TU114028FS000148 | 3 | 2 |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 1FUJGLD62FLGD8717 | 2 | — |
| 2023 Dragon Esp | Flatbed · 5 ft | 1UNSF0517PD190289 | 2 | — |
Show all 27 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2023 Dragon Esp | Flatbed · 53 ft | 1UNSF5331PD190256 | 2 | 1 |
| 2002 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9X12D572081 | 2 | 1 |
| 2015 Peterbilt 579 | Tractor · Class 8 | 1XPBDP9X2FD261801 | 2 | 1 |
| 2000 V.e. Enterprises | Tank · 42 ft | 5AGEV4222YS268809 | 2 | 2 |
| 2009 Manac Trailers Usa Manac | Grain / Hopper | 5MC1116269P009855 | 2 | 1 |
| Othr | Semi-trailer | 5TU1140206S000628 | 2 | — |
| 2026 Eager Beaver GSL | Trailer (type not listed) · 53 ft | 112SD5538TL088248 | 1 | — |
| 2007 Fontaine Trailer Co. | Flatbed · 48 ft | 13N24830971544181 | 1 | 1 |
| Othr | Semi-trailer | 1L9PD35315H209254 | 1 | 1 |
| 2025 Neville Welding/neville Built Neville Welding, Neville Built | Flatbed · 53 ft | 1N9DD5322SH175175 | 1 | 1 |
| 2011 Dragon Products | Tank · 42 ft | 1UNST4221BL094251 | 1 | — |
| 2006 Kenworth W9 Series | Tractor · Class 8 | 1XKWDB9X66R155896 | 1 | 1 |
| 1997 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9X7VN428906 | 1 | 1 |
| 2007 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9XX7D731414 | 1 | 1 |
| 2007 Peterbilt 379 | Not Applicable · Class 8 | 1XP5DB9XX7N698263 | 1 | — |
| Dors | Semi-trailer | 5JYLB5534LPD17397 | 1 | 1 |
| Cps | Semi-trailer | 5MC114026DP015187 | 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 (32)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 10, 2026 | V262634498 | TX, TX | II | 9 | 1 | IRON WOLF OILFIELD SERVICES L | Truck Tractor Trailer |
KENWORTH — |
1XKWDB9X66R155896 TR203946 |
TX 1N68824 TX 262C627 |
| 393.75A3-TAOL | OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Tires | ||||||||
| 393.11A1-LCHL | Lighting - Lamps improper color, height, location. | Lighting | ||||||||
| 393.11A1-CSURR | Conspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 | Reflective Sheeting | ||||||||
| 393.209E-SPSLA | Steering - Power steering leaking anywhere. | Steering Mechanism | ||||||||
| 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 | ||||||||
| 393.78A-WS | Washers - Inoperative washing system. | Windshield/ Glass/ Markings | ||||||||
| 393.81-H | Horn - Inoperative or defective | Other Vehicle Defect | ||||||||
| 393.9A-LBL | Lighting - Backup lamp inoperative | Lighting | ||||||||
| September 24, 2026 | V262552458 | TX, TX | II | 7 | 1 | NABORS | Truck Tractor Semi-trailer |
PETERBILT CONSTRUCTION TRAILER SPECIALISTS |
1XP5DB9X46D861686 5TU114028FS000148 |
TX 1P11961 TX 249B838 |
| 396.3A1-F | OOSFuel - Dripping leak. | Other Vehicle Defect | ||||||||
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | Brakes All Others | ||||||||
| 393.78A-WS | Washers - Inoperative washing system. | Windshield/ Glass/ Markings | ||||||||
| 393.9A-HLLH | Lighting - Headlamp(s) fail to operate on low and high beam | Lighting | ||||||||
| 393.9A-LBL | Lighting - Backup lamp inoperative | Lighting | ||||||||
| 393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Emergency Equipment | ||||||||
| 396.3A1-BALAC | Brake - Audible air leak from a brake chamber | Brakes All Others | ||||||||
| September 13, 2026 | V262600466 | TX, TX | II | 12 | 2 | IRON WOLF OILFIELD SERVICES L | Truck Tractor Semi-trailer |
PETERBILT V.E. ENTERPRISES |
1XP5DB9X12D572081 5AGEV4222YS268809 |
TX 1N72407 TX 287B274 |
| 393.207A-STBW | OOSSuspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component ca | Suspension | ||||||||
| 393.47B-BMBCBD-SA | OOSDrum Brake - Mismatched brake chamber sizes on a steering axle | Brakes All Others | ||||||||
| 392.8-D | Driver - Failed to inspect /use emergency equipment | Emergency Equipment | ||||||||
| 393.11A1-LBL | Lighting - Backup lamp missing | Lighting | ||||||||
| 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 | ||||||||
| 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 | ||||||||
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | Brakes All Others | ||||||||
| 393.60D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Windshield/ Glass/ Markings | ||||||||
| 393.78A-WS | Washers - Inoperative washing system. | Windshield/ Glass/ Markings | ||||||||
| 393.9A-LSML | Lighting - Side marker lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 393.95A4-EENA | Emergency Equipment - Fire Extinguishers - not readily accessible or filled | Emergency Equipment | ||||||||
| September 1, 2026 | V262569785 | TX, TX | II | 2 | — | CALICHE NOW | Truck Tractor Semi-trailer |
PETERBILT MANAC TRAILERS USA |
1XPBDP9X2FD261801 5MC1116269P009855 |
TX 1P11936 TX 281B049 |
| 396.3A1-ALBV | Air Brake - Any leak from a brake valve | Brakes All Others | ||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| August 5, 2026 | V262525651 | IH20 EB ODESSA SCALE, TX | II | — | — | UNKNOWN | Truck Tractor Trailer |
PETERBILT EAGER BEAVER |
1XP5DB9XX7N698263 112SD5538TL088248 |
TX 1P02956 TX 279C341 |
| July 20, 2026 | 7HD99DMB0Y | IH-0020 IN MIDLAND CO. (123-14, TX | II | 1 | 1 | CARRIER | Truck Tractor Semi-trailer |
PETERBILT NEVILLE WELDING/NEVILLE BUILT |
1XPBDP9X9FD283195 1N9DD5322SH175175 |
TX 1N84416 TX 261B179 |
| 393.130 | OOSNo/improper heavy vehicle/machine securement | General Securement | ||||||||
| July 7, 2026 | 7H089DJKGP | SL-0250 IN MIDLAND CO. (274-28, TX | II | 4 | — | CARRIER | Truck Tractor Semi-trailer |
PETERBILT OTHR |
1XP5DB9X46D861686 5TU1140206S000628 |
TX 1P11961 OK AM6727 |
| 392.8 | Failing to inspect/use emergency equipment | Emergency Equipment | ||||||||
| 393.95A | No/discharged/unsecured fire extinguisher | Emergency Equipment | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| June 10, 2026 | V262408001 | 322M FM1379, TX | II | 1 | 1 | IRON WOLF OILFIELD SERVICES L | Truck Tractor Semi-trailer |
PETERBILT CONSTRUCTION TRAILER SPECIALISTS |
1XPBDP9X9FD283195 5TU114026FS000150 |
TX 1N84416 TX 248C793 |
| 393.207A | OOSAxle positioning parts defective/missing | Suspension | ||||||||
| June 2, 2026 | V262334987 | FM 846 @ SH 137, TX | II | 2 | — | CHARGER | Truck Tractor Semi-trailer |
PETERBILT CONSTRUCTION TRAILER SPECIALISTS |
1XPBDP9X9FD283195 5TU114026FS000150 |
TX 1N84416 TX 248C793 |
| 393.11 | No or defective lighting devices or reflective material as required | Reflective Sheeting | ||||||||
| 393.9H | Inoperable head lamps | Lighting | ||||||||
| June 2, 2026 | V262314161 | 103 US190, TX | II | 5 | 1 | CHALLENGER OILFIELD | Truck Tractor Semi-trailer |
PETERBILT DORS |
1XP5DB9X46D861686 5JYLB5534LPD17397 |
TX 1P11961 TX 146B083 |
| 393.106D | OOSInsufficient aggregate working load limit | Tiedown | ||||||||
| 390.21A | Not marked in accordance with regulations | |||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.9H | Inoperable head lamps | Lighting | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
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.
| Shipper | Inspections | Most recent |
|---|---|---|
| IRON WOLF OILFIELD SERVICES L | 9 | October 10, 2026 |
| NABORS | 1 | September 24, 2026 |
| CALICHE NOW | 1 | September 1, 2026 |
| CHALLENGER OILFIELD | 1 | June 2, 2026 |
| CHARGER | 1 | June 2, 2026 |
| ANADARKO | 1 | June 3, 2025 |
| UNKNNOWN LOCATION | 1 | August 1, 2024 |
| RAGE INC | 1 | May 6, 2024 |
| DEVONION | 1 | January 25, 2024 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| March 18, 2026 | DISCONTINUED REVOCATION | Common |
| February 18, 2026 | INVOLUNTARY REVOCATION | Common |
| April 25, 2023 | DISCONTINUED REVOCATION | Common |
| April 18, 2023 | INVOLUNTARY REVOCATION | Common |
| April 6, 2023 | GRANTED | Common Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| March 17, 2026 | BI&PD Primary/Excess | On file |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 18, 2026.
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