Mg Building Materials Ltd is an active intrastate non-hazmat carrier based in San Antonio, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 42 | 0 | 0 |
| Tractors | 19 | 23 | 0 |
| Trailers | 76 | 0 | 0 |
| Total Power Units | 42 | ||
Distinct vehicles · 24 mo
vs 42 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 57% | 92% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 84% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 86% | 85% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 12 | — | 22.26% |
| Hazmat | 0 | 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 | 56 | 6 | 11 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 18, 2026 | TX | TRUCK TRACTOR | 6 | 2 |
| Feb 18, 2026 | TX | TRUCK TRACTOR | 6 | 3 |
| Dec 24, 2025 | TX | STRAIGHT TRUCK | 1 | 0 |
| Nov 4, 2025 | TX | STRAIGHT TRUCK | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.13 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 19 | 9.15 | — |
| Driver Fitness | 1 | 0.56 | Alert |
| Controlled Substances | 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%.
| Driver Fitness |
| 2 |
| 1 |
| 1 |
| Unsafe Driving | 1 | 1 | 0 |
| Oct 8, 2025 | TX | TRUCK TRACTOR | 1 | 0 |
| Sep 10, 2025 | TX | STRAIGHT TRUCK | 0 | 0 |
| Aug 13, 2025 | TX | TRUCK TRACTOR | 5 | 0 |
| Aug 4, 2025 | TX | TRUCK TRACTOR | 2 | 0 |
| Jul 3, 2025 | TX | TRUCK TRACTOR | 3 | 1 |
| May 29, 2025 | TX | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 18, 2026 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Mar 18, 2026 | 39311TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Mar 18, 2026 | 393207A | Axle positioning parts defective/missing | Vehicle Maintenance | Yes |
| Mar 18, 2026 | 39345B2PC | Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit | Vehicle Maintenance | — |
| Mar 18, 2026 | 39345DLPC | Brake Connections with Leaks - Connection to Power Unit | Vehicle Maintenance | — |
| Mar 18, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Feb 18, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Feb 18, 2026 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Feb 18, 2026 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Feb 18, 2026 | 3963A1 | Inspection repair and maintenance of parts and accessories | Vehicle Maintenance | — |