G Bar S Oilfield Services Llc is an active interstate carrier based in Cheyenne, WY.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 34 | 9 | 0 |
| Tractors | 12 | 13 | 0 |
| Trailers | 0 | 53 | 0 |
| Total Power Units | 34 | ||
Distinct vehicles · 24 mo
vs 34 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 | 89% | 96% | Worse than most peers |
| HOS Compliance | 83% | 96% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 72% | 95% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 5 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 33 | 12 | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Aug 27, 2025 | WY | TRUCK TRACTOR | 6 | 1 |
| Aug 26, 2025 | WY | TRUCK TRACTOR | 1 | 0 |
| Aug 26, 2025 | WY | TRUCK TRACTOR | 2 | 0 |
| Apr 24, 2025 | WY | STRAIGHT TRUCK | 7 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.44 | — |
| HOS Compliance | 1 | 0.43 | — |
| Vehicle Maintenance | 8 | 14.50 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state WY accounts for 80% of activity. Activity outside home state (WY): 20%.
| Hours-of-Service Compliance |
| 1 |
| 0 |
| 1 |
| Unsafe Driving | 1 | 1 | 0 |
| Apr 22, 2025 | WY | TRUCK TRACTOR | 3 | 0 |
| Apr 22, 2025 | WY | TRUCK TRACTOR | 3 | 0 |
| Sep 30, 2024 | WY | TRUCK TRACTOR | 2 | 2 |
| Jun 4, 2024 | CO | STRAIGHT TRUCK | 0 | 0 |
| Jun 4, 2024 | CO | TRUCK TRACTOR | 2 | 1 |
| May 10, 2024 | WY | TRUCK TRACTOR | 9 | 4 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Aug 27, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Aug 27, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Aug 27, 2025 | 39375A3TFL | Tires - Front leaking or inflation 50% or less than of the maximum inflation pressure | Vehicle Maintenance | Yes |
| Aug 27, 2025 | 39375BTFV | Tires - Front less than 4/32 inch tread depth | Vehicle Maintenance | — |
| Aug 27, 2025 | 39383G | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | Vehicle Maintenance | — |
| Aug 27, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Aug 26, 2025 | 39216AD | Driver - Failed to use seat belt while operating a CMV. | Unsafe Driving | — |
| Aug 26, 2025 | 393205CWRAWFLMIB | Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | — |
| Aug 26, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Apr 24, 2025 | 39311A1LSLM | Lighting - Stop lamps - Any missing. | Vehicle Maintenance | — |