Southwest Valley Constructors Co is an active intrastate hazmat carrier based in Westlake, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 26 | 0 | 0 |
| Total Power Units | 10 | ||
Distinct vehicles · 24 mo
vs 10 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 | 83% | 94% | Worse 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 | 59% | 78% | 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 | 1 | — | 22.26% |
| Hazmat | 1 | 0 | 0.00% | 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for 100% of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 7, 2025 | TX | STRAIGHT TRUCK | 1 | 0 |
| Dec 10, 2024 | TX | STRAIGHT TRUCK | 0 | 0 |
| Nov 9, 2024 | TX | STRAIGHT TRUCK | 1 | 0 |
| Sep 10, 2024 | TX | TRUCK TRACTOR | 5 | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 5.33 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 6 |
| 1 |
| 1 |
| Unsafe Driving | 1 | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 7, 2025 | 3963A1B | Brakes (general) Explain: | Vehicle Maintenance | — |
| Nov 9, 2024 | 177804B3 | Failure to comply with 49 CFR Section 392.82 Using a Handheld Mobile Phone While Operating a CMV when transporting select agents or toxins or HM requiring placard | Unsafe Driving | — |
| Sep 10, 2024 | 3929A | Failing to secure load | Vehicle Maintenance | — |
| Sep 10, 2024 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Sep 10, 2024 | 39313C2 | No Lower Rear retroreflective sheeting or reflex reflective material as required for vehicles manufactured before December 1993 | Vehicle Maintenance | — |
| Sep 10, 2024 | 39313C3 | No Upper Rear retroreflective sheeting or reflex reflective material as required for vehicles manufactured before December 1993 | Vehicle Maintenance | — |
| Sep 10, 2024 | 39375A | Flat tire or fabric exposed | Vehicle Maintenance | Yes |