DBA: Stac Services
South Texas Acid & Cement Services Llc is an active intrastate non-hazmat carrier based in Woodsboro, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Tractors | 8 | 0 | 0 |
| Total Power Units | 8 | ||
Distinct vehicles · 24 mo
vs 8 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 | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 97% | 97% | Worse than most peers |
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 | 1 | 0 | 0.00% | 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for 100% of activity. Activity outside home state (TX): 0%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 11 | 2 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 7, 2026 | TX | TRUCK TRACTOR | 6 | 2 |
| May 13, 2025 | TX | TRUCK TRACTOR | 9 | 3 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 21.60 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Hazardous Materials Compliance |
| 4 |
| 1 |
| 1 |
| Jan 7, 2026 |
| 39311TL |
| Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 |
| Vehicle Maintenance |
| — |
| Jan 7, 2026 | 393209D | Steering system components worn welded or missing | Vehicle Maintenance | Yes |
| Jan 7, 2026 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Jan 7, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Jan 7, 2026 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Jan 7, 2026 | 3963A1CH | Brake - Hole in Spring Brake Housing | Vehicle Maintenance | Yes |
| May 13, 2025 | 172202A2 | No or improper Shipping Name | Hazardous Materials Compliance | — |
| May 13, 2025 | 172602A | Emergency Response information not complete | Hazardous Materials Compliance | — |
| May 13, 2025 | 177834J | Manholes and valves not closed or leak free | Hazardous Materials Compliance | Yes |
| May 13, 2025 | 180415B | Cargo tank test or inspection markings | Hazardous Materials Compliance | — |