Mammoth Constructors Llc is an active interstate carrier based in Umatilla, FL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 9 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 12 | 0 | 0 |
| Total Power Units | 11 | ||
Distinct vehicles · 24 mo
vs 11 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 | 88% | 94% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 4 states. Top state accounts for of activity.
| 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 | 2 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 6, 2026 | GA | STRAIGHT TRUCK | 5 | 0 |
| Feb 6, 2026 | SC | STRAIGHT TRUCK | 0 | 0 |
| Jul 18, 2025 | NC | STRAIGHT TRUCK | 0 | 0 |
| Mar 19, 2025 | NC | STRAIGHT TRUCK | 0 | 0 |
| Jul 10, 2024 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 11.60 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| FL |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Apr 22, 2024 | FL | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 6, 2026 | 39325EL | Lighting - Lamps (other than headlamps) not steady burning as required | Vehicle Maintenance | — |
| Feb 6, 2026 | 39330B | Battery - Not protected | Vehicle Maintenance | — |
| Feb 6, 2026 | 3939ALBL | Lighting - Backup lamp inoperative | Vehicle Maintenance | — |
| Feb 6, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 6, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Apr 22, 2024 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |