Stier Supply Company is an active interstate carrier based in Gaston, SC.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 65 | 0 |
| Tractors | 1 | 2 | 0 |
| Trailers | 4 | 2 | 0 |
| Total Power Units | 69 | ||
Distinct vehicles · 24 mo
vs 69 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 41% | 87% | Around peer average |
| HOS Compliance | 91% | 95% | Worse than most peers |
| Driver Fitness | 81% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 72% | 88% | 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 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 1 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 17 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 27, 2026 | NC | STRAIGHT TRUCK | 0 | 0 |
| Feb 16, 2026 | GA | STRAIGHT TRUCK | 0 | 0 |
| Jan 15, 2026 | FL | STRAIGHT TRUCK | 5 | 1 |
| Oct 31, 2025 | SC | STRAIGHT TRUCK | 6 | 1 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 0.19 | — |
| HOS Compliance | 5 | 0.52 | — |
| Vehicle Maintenance | 6 | 7.04 | — |
| Driver Fitness | 2 | 0.47 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state SC accounts for 43% of activity. Activity outside home state (SC): 57%.
| 4 |
| 5 |
| Hours-of-Service Compliance | 7 | 1 | 0 |
| Unsafe Driving | 3 | 3 | 0 |
| Driver Fitness | 2 | 1 | 1 |
| Sep 29, 2025 |
| NC |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Sep 9, 2025 | GA | STRAIGHT TRUCK | 1 | 0 |
| Aug 20, 2025 | SC | STRAIGHT TRUCK | 0 | 0 |
| Jun 18, 2025 | SC | STRAIGHT TRUCK | 0 | 0 |
| Jun 9, 2025 | SC | STRAIGHT TRUCK | 0 | 0 |
| May 29, 2025 | SC | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 15, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jan 15, 2026 | 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 | — |
| Jan 15, 2026 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Jan 15, 2026 | 39522GELDMFV | HOS (ELD) - A portable ELD is not mounted in a fixed position and visible to the driver when seated in the normal driving position. | Hours-of-Service Compliance | — |
| Jan 15, 2026 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Oct 31, 2025 | 39319 | Inoperative/Defective Hazard Warning Lamp | Vehicle Maintenance | — |
| Oct 31, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Oct 31, 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 | — |
| Oct 31, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Oct 31, 2025 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |