Mammoet Usa South Inc is an active interstate carrier based in Rosharon, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 41 | 0 | 0 |
| Tractors | 41 | 0 | 0 |
| Trailers | 217 | 0 | 0 |
| Total Power Units | 41 | ||
Distinct vehicles · 24 mo
vs 41 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 80% | 93% | Worse than most peers |
| HOS Compliance | 82% | 92% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 52% | 77% | 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 | 3 | — | 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 | 13 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | LA | TRUCK TRACTOR | 1 | 0 |
| Mar 17, 2026 | CO | TRUCK TRACTOR | 0 | 0 |
| Jan 19, 2026 | LA | TRUCK TRACTOR | 1 | 0 |
| Sep 24, 2025 | NY | TRUCK TRACTOR | 3 | 2 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 0.72 | — |
| HOS Compliance | 2 | 0.52 | — |
| Vehicle Maintenance | 8 | 4.66 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state LA accounts for 50% of activity. Activity outside home state (TX): 71%.
| 2 |
| 3 |
| Unsafe Driving | 3 | 2 | 0 |
| Hours-of-Service Compliance | 2 | 1 | 0 |
| Aug 8, 2025 |
| TX |
| TRUCK TRACTOR |
| 3 |
| 0 |
| Aug 4, 2025 | LA | TRUCK TRACTOR | 1 | 0 |
| May 16, 2025 | LA | TRUCK TRACTOR | 1 | 0 |
| May 2, 2025 | TX | TRUCK TRACTOR | 1 | 1 |
| Mar 7, 2025 | LA | TRUCK TRACTOR | 3 | 0 |
| Jun 29, 2024 | LA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Jan 19, 2026 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Sep 24, 2025 | 393106DC | Cargo - Insufficient aggregate working load limit for cargo transported | Vehicle Maintenance | Yes |
| Sep 24, 2025 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Sep 24, 2025 | 39370DCDTSDM | Coupling - Full Trailer safety devices missing | Vehicle Maintenance | Yes |
| Aug 8, 2025 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Aug 8, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Aug 8, 2025 | 39524D | ELD cannot transfer ELD records electronically | Hours-of-Service Compliance | — |
| Aug 4, 2025 | 39282DUMT | Driver - Using a hand-held mobile telephone | Unsafe Driving | — |
| May 16, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |