Guardian Oilfield Services Inc is an active interstate carrier based in Weatherford, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 60 | 0 | 0 |
| Tractors | 13 | 47 | 0 |
| Total Power Units | 60 | ||
Distinct vehicles · 24 mo
vs 60 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 | 87% | 92% | Worse than most peers |
| HOS Compliance | 69% | 95% | Around peer average |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 59% | 87% | Around peer average |
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 | 8 | — | 22.26% |
| Hazmat | 59 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 0 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 66 | 26 | 9 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | LA | TRUCK TRACTOR | 2 | 1 |
| Mar 24, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Mar 18, 2026 | LA | TRUCK TRACTOR | 0 | 0 |
| Mar 4, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Feb 20, 2026 |
M Wright Services Llc
No alertsWeatherford, OK · 58 units
B O P Ram-Block & Iron Rentals Inc
No alertsWeatherford, OK · 55 units
Flex-Chem Corporation
No alertsWeatherford, OK · 66 units
Torcsill Foundations Llc
No alertsWeatherford, OK · 47 units
Sioux Erosion Control Inc
No alertsWeatherford, OK · 35 units
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 0.98 | — |
| HOS Compliance | 3 | 0.11 | — |
| Vehicle Maintenance | 34 | 3.70 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 15 states. Top state TX accounts for 28% of activity. Activity outside home state (OK): 73%.
+10 other states with fewer inspections
| Unsafe Driving |
| 6 |
| 1 |
| 0 |
| Hazardous Materials Compliance | 5 | 1 | 0 |
| Hours-of-Service Compliance | 3 | 2 | 2 |
| TX |
| TRUCK TRACTOR |
| 3 |
| 0 |
| Feb 10, 2026 | TX | TRUCK TRACTOR | 2 | 2 |
| Feb 6, 2026 | TN | TRUCK TRACTOR | 0 | 0 |
| Feb 5, 2026 | TX | TRUCK TRACTOR | 1 | 0 |
| Feb 4, 2026 | TX | TRUCK TRACTOR | 4 | 1 |
| Feb 1, 2026 | TX | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | 39348ABIBD | Drum Brake - Inoperative other than a steering axle | Vehicle Maintenance | — |
| Mar 25, 2026 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Feb 20, 2026 | 39319 | Inoperative/Defective Hazard Warning Lamp | Vehicle Maintenance | — |
| Feb 20, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Feb 20, 2026 | 3939TS | Inoperative turn signal | Vehicle Maintenance | — |
| Feb 10, 2026 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Feb 10, 2026 | 3939TS | Inoperative turn signal | Vehicle Maintenance | Yes |
| Feb 5, 2026 | 3939TS | Inoperative turn signal | Vehicle Maintenance | — |
| Feb 4, 2026 | 39328 | Improper or no wiring protection as required | Vehicle Maintenance | — |
| Feb 4, 2026 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | — |