Mcmahon Steel Company Inc is an active intrastate non-hazmat carrier based in Chula Vista, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 17 | 0 | 0 |
| Total Power Units | 17 | ||
Distinct vehicles · 24 mo
vs 17 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 | 96% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 58% | 86% | 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 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 6 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 15, 2025 | US | STRAIGHT TRUCK | 1 | 1 |
| Oct 16, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 10, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Nov 20, 2024 | CA | STRAIGHT TRUCK | 5 | 1 |
The Glass Company Inc
No alertsChula Vista, CA · 16 units
Hazardous Materials Transportation Inc
No alertsChula Vista, CA · 18 units
S J Towing Inc
No alertsChula Vista, CA · 16 units
Glocal Transport Services Llc
No alertsChula Vista, CA · 18 units
Sonic Transportation Llc
No alertsChula Vista, CA · 16 units
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 2.50 | — |
| Driver Fitness | 1 | 1.09 | — |
| Controlled Substances | 0 | 0.00 | — |
Inspected in 2 states. Top state CA accounts for 86% of activity. Activity outside home state (CA): 14%.
| 1 |
| Driver Fitness | 1 | 0 | 0 |
| Nov 15, 2024 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Oct 4, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 18, 2024 | CA | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 15, 2025 | 39111B2Z | Border Zone - Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. | Driver Fitness | — |
| Nov 20, 2024 | 39311A1L | Lighting - Lamps improper color height or location | Vehicle Maintenance | — |
| Nov 20, 2024 | 39311A1LRR | Lighting - Reflex reflector(s) missing or improper | Vehicle Maintenance | — |
| Nov 20, 2024 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Nov 20, 2024 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Nov 20, 2024 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Jul 18, 2024 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |