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 | 21 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 6 | 0 | 0 |
| Total Power Units | 130 | ||
Distinct vehicles · 24 mo
vs 130 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 | 0 | — | 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 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 13
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Steve Curry · also at 3 others
Abrams-Kiewit A Joint Venture
Westlake, TX
Christine Souder · also at 10 others
Kiewit-Boh Ajv
The Woodlands, TX
Christine Souder · also at 10 others
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.62 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 2.00 | — |
| 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 |
Kiewit Infrastructure South Company
The Woodlands, TX
Christine Souder · also at 10 others
+3 more
Shared email · 9
Abrams-Kiewit A Joint Venture
Westlake, TX
also at 9 others
Kiewit-Boh Ajv
The Woodlands, TX
also at 9 others
Kiewit Infrastructure Co
The Woodlands, TX
also at 9 others
Kiewit Infrastructure South Company
The Woodlands, TX
also at 9 others
Kiewit New Mexico Co
The Woodlands, TX
also at 9 others
Kiewit Stacey & Witbeck Reyes Parsons A Jv
Fort Worth, TX
also at 9 others
Kiewit Western Co
Ft Worth, TX
also at 9 others
Southgate Constructors A Joint Venture
Westlake, TX
also at 9 others
South-Point Constructors A Joint Venture
The Woodlands, TX
also at 9 others
Shared phone · 10
Abrams-Kiewit A Joint Venture
Westlake, TX
also at 10 others
Kiewit-Boh Ajv
The Woodlands, TX
also at 10 others
Kiewit Infrastructure Co
The Woodlands, TX
also at 10 others
Kiewit Infrastructure South Company
The Woodlands, TX
also at 10 others
Kiewit New Mexico Co
The Woodlands, TX
also at 10 others
Kiewit Stacey & Witbeck Reyes Parsons A Jv
Fort Worth, TX
also at 10 others
Kiewit Western Co
Ft Worth, TX
also at 10 others
Northgate Constructors
The Woodlands, TX
also at 10 others
Southgate Constructors A Joint Venture
Westlake, TX
also at 10 others
South-Point Constructors A Joint Venture
The Woodlands, TX
also at 10 others