DBA: Scaffsource
Brock Services Llc is an active interstate carrier based in Deer Park, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 38 | 0 | 0 |
| Tractors | 1 | 37 | 0 |
| Trailers | 34 | 6 | 0 |
| Total Power Units | 38 | ||
Distinct vehicles · 24 mo
vs 38 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 | 72% | 93% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 83% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 65% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 10 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 14, 2026 | TX | TRUCK TRACTOR | 2 | 0 |
| Nov 24, 2025 | TX | TRUCK TRACTOR | 2 | 0 |
| Sep 4, 2025 | LA | TRUCK TRACTOR | 1 | 0 |
| Jun 30, 2025 | ME | STRAIGHT TRUCK | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.36 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 6.09 | — |
| Driver Fitness | 1 | 0.66 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 5 states. Top state TX accounts for 50% of activity. Activity outside home state (TX): 50%.
| 1 |
| Driver Fitness | 1 | 1 | 1 |
| Unsafe Driving | 1 | 1 | 0 |
| Mar 31, 2025 |
| US |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Mar 12, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Feb 5, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Sep 18, 2024 | UT | TRUCK TRACTOR | 7 | 2 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 14, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jan 14, 2026 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Nov 24, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Nov 24, 2025 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Sep 4, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Sep 18, 2024 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| Sep 18, 2024 | 39311BCSLRR | Conspicuity Systems - Trailers lower rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Sep 18, 2024 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |
| Sep 18, 2024 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Sep 18, 2024 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |