Alamo Transformer Supply Co is an active interstate 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 | 1 | 0 | 0 |
| Tractors | 3 | 0 | 0 |
| Trailers | 18 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 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 | 64% | 79% | 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 | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 15 | 0 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jul 22, 2025 | TX | TRUCK TRACTOR | 2 | 0 |
| Apr 17, 2025 | TX | TRUCK TRACTOR | 2 | 0 |
| Dec 18, 2024 | TX | TRUCK TRACTOR | 4 | 0 |
| Oct 8, 2024 | TX | TRUCK TRACTOR | 2 | 1 |
Carriers that share an officer, phone, or email with this DOT.
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 8.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 1 state. Top state TX accounts for 100% of activity. Activity outside home state (TX): 0%.
| Aug 9, 2024 | TX | TRUCK TRACTOR | 0 | 0 |
| Apr 18, 2024 | TX | TRUCK TRACTOR | 1 | 0 |
| Apr 11, 2024 | TX | TRUCK TRACTOR | 2 | 0 |
| Apr 2, 2024 | TX | TRUCK TRACTOR | 2 | 3 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jul 22, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Jul 22, 2025 | 3965B | Oil and/or grease leak | Vehicle Maintenance | — |
| Apr 17, 2025 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Apr 17, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Dec 18, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Dec 18, 2024 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | — |
| Dec 18, 2024 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Dec 18, 2024 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Oct 8, 2024 | 3963A1 | Inspection repair and maintenance of parts and accessories | Vehicle Maintenance | — |
| Oct 8, 2024 | 3963A1BL | Brake system pressure loss | Vehicle Maintenance | Yes |