Marquez Brothers Southwest Inc is an active interstate carrier based in Phoenix, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 5 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 6 | ||
Distinct vehicles · 24 mo
vs 6 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 94% | 96% | Worse than most peers |
| Driver Fitness | 90% | 94% | Worse than most peers |
| Controlled Substances | 100% | 100% | Worse than most peers |
| Vehicle Maintenance | 74% | 83% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Hours-of-Service Compliance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jun 29, 2026 | NM | STRAIGHT TRUCK | 0 | 0 |
| Feb 17, 2026 | NM | STRAIGHT TRUCK | 0 | 0 |
| Feb 11, 2026 | AZ | STRAIGHT TRUCK | 3 | 3 |
| Sep 22, 2025 | AZ | TRUCK TRACTOR | 1 | 1 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 8
Marquez Brothers Enterprise Inc
City Of Industry, CA
Gustavo Marquez · also at 8 others
Marquez Brothers Foods Inc
San Jose, CA
Gustavo Marquez · also at 8 others
Marquez Brothers Nevada Inc
Las Vegas, NV
Gustavo Marquez · also at 8 others
Marquez Brothers Texas I Inc
Carrollton, TX
Gustavo Marquez · also at 8 others
Maximum Cleaning
Murrieta, CA
Gustavo Marquez · also at 8 others
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 1.40 | — |
| Vehicle Maintenance | 2 | 3.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 1 | 2.00 | — |
Where they run
Inspected in 2 states. Top state AZ accounts for 50% of activity. Activity outside home state (AZ): 50%.
| 2 |
| 0 |
| 1 |
| Vehicle Maintenance | 2 | 2 | 2 |
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| Driver Fitness | 1 | 0 | 0 |
| Aug 13, 2025 |
| AZ |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Oct 7, 2024 | NM | STRAIGHT TRUCK | 0 | 0 |
| Aug 6, 2024 | AZ | STRAIGHT TRUCK | 1 | 0 |
| Apr 15, 2024 | NM | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 11, 2026 | 39215SSF | Drugs/Other Substances - Operating a CMV while recorded as prohibited from performing safety-sensitive functions. | Controlled Substances/​Alcohol | Yes |
| Feb 11, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Feb 11, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Sep 22, 2025 | 39375A2TAOTLM | Tires - All others 75% of the tread width is loose/missing in excess of 12 inches of circumference | Vehicle Maintenance | Yes |
| Aug 6, 2024 | 3958A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Hours-of-Service Compliance | — |
| Apr 15, 2024 | 39141A | Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency. History of either fail | Driver Fitness | — |