Frontier Support Carrier Llc is an active interstate carrier based in Hillsboro, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 60 | 0 | 0 |
| Tractors | 60 | 0 | 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 |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 72% | 93% | Around peer average |
| HOS Compliance | 83% | 92% | Worse than most peers |
| Driver Fitness | 61% | 91% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 72% | 80% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 41 | — | 22.26% |
| Hazmat | 1 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Oct 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 161 | 26 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 18, 2026 | KS | TRUCK TRACTOR | 0 | 0 |
| Mar 18, 2026 | TX | TRUCK TRACTOR | 2 | 1 |
| Feb 25, 2026 | TX | TRUCK TRACTOR | 3 | 1 |
| Feb 17, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 0.55 | — |
| HOS Compliance | 8 | 0.52 | — |
| Vehicle Maintenance | 67 | 6.16 | — |
| Driver Fitness | 1 | 0.15 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 9 states. Top state TX accounts for 84% of activity. Activity outside home state (TX): 16%.
+4 other states with fewer inspections
| 46 |
| Hours-of-Service Compliance | 13 | 5 | 1 |
| Unsafe Driving | 4 | 1 | 0 |
| Hazardous Materials Compliance | 2 | 0 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| Jan 15, 2026 |
| TX |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Jan 7, 2026 | MT | TRUCK TRACTOR | 0 | 0 |
| Dec 31, 2025 | TX | TRUCK TRACTOR | 3 | 1 |
| Dec 29, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Dec 17, 2025 | TX | TRUCK TRACTOR | 1 | 0 |
| Dec 17, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 18, 2026 | 393100A | No or improper load securement | Vehicle Maintenance | Yes |
| Mar 18, 2026 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Feb 25, 2026 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Feb 25, 2026 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Feb 25, 2026 | 3939T | Inoperable tail lamp | Vehicle Maintenance | — |
| Jan 15, 2026 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Dec 31, 2025 | 39345DLPC | Brake Connections with Leaks - Connection to Power Unit | Vehicle Maintenance | — |
| Dec 31, 2025 | 39355C2 | CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system | Vehicle Maintenance | — |
| Dec 31, 2025 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Dec 17, 2025 | 39522H4 | Driver failed to maintain supply of blank drivers records of duty status graph-grids | Hours-of-Service Compliance | — |