Iron Wolf Oilfield Services Llc is an active interstate carrier based in Midland, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 12 | 0 | 0 |
| Tractors | 12 | 0 | 0 |
| Trailers | 20 | 0 | 0 |
| Total Power Units | 12 | ||
Distinct vehicles · 24 mo
vs 12 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 78% | 93% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 86% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 99% | 97% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 14 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 156 | 26 | 21 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 19, 2026 | TX | TRUCK TRACTOR | 12 | 3 |
| Mar 13, 2026 | TX | TRUCK TRACTOR | 10 | 0 |
| Mar 2, 2026 | TX | TRUCK TRACTOR | 9 | 2 |
| Feb 17, 2026 | TX | TRUCK TRACTOR | 9 |
Carriers that share an officer, phone, or email with this DOT.
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.80 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 21 | 19.21 | — |
| Driver Fitness | 1 | 0.47 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state TX accounts for 90% of activity. Activity outside home state (TX): 10%.
| Driver Fitness |
| 2 |
| 1 |
| 2 |
| Unsafe Driving | 1 | 1 | 0 |
| 1 |
| Oct 15, 2025 | TX | TRUCK TRACTOR | 2 | 0 |
| Sep 18, 2025 | TX | TRUCK TRACTOR | 14 | 4 |
| Aug 13, 2025 | TX | TRUCK TRACTOR | 2 | 1 |
| Jun 23, 2025 | TX | TRUCK TRACTOR | 7 | 0 |
| Jun 18, 2025 | TX | TRUCK TRACTOR | 11 | 1 |
| Jun 3, 2025 | TX | TRUCK TRACTOR | 9 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 19, 2026 | 39111B2Q | Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. Driver failed the I | Driver Fitness | Yes |
| Mar 19, 2026 | 39311 | No or defective lighting devices or reflective material as required | Vehicle Maintenance | — |
| Mar 19, 2026 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Mar 19, 2026 | 393207A | Axle positioning parts defective/missing | Vehicle Maintenance | Yes |
| Mar 19, 2026 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | — |
| Mar 19, 2026 | 39355D3 | No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 2001 | Vehicle Maintenance | — |
| Mar 19, 2026 | 39355E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Vehicle Maintenance | — |
| Mar 19, 2026 | 39375A1 | Tire-ply or belt material exposed | Vehicle Maintenance | — |
| Mar 19, 2026 | 39375C | Tire-other tread depth less than 2/32 of inch measured in a major tread groove | Vehicle Maintenance | — |
| Mar 19, 2026 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |