MAMMOTH WELDING LLC
USDOT 4360488 · Doing business as BRETT WOOLLEY
Active, intrastate (non-hazmat) carrier, single-truck operation (1 power unit) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate0% vs 19.1% national avg
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 4360488 |
|---|---|
| MC Number | — |
| Legal Name | MAMMOTH WELDING LLC |
| DBA Name | BRETT WOOLLEY |
| Entity Type | — |
| Phone | 5305158801 |
| Address | 18565 BENSON RD, Cottonwood, CA, 96022-8507 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 1 |
|---|---|
| Out-of-Service Rate | 0% vs 19.1% national average |
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 1 |
|---|---|
| Drivers | 1 |
| Recent Annual Mileage | 1,000 |
| Last MCS-150 Filing | 08-OCT-25 |
MAMMOTH WELDING LLC operates 1 power unit — a larger fleet than 0% of carriers registered in CA.
Nearby
Other carriers in Cottonwood, CA
- BATTLE CREEK TIMBER LLC — USDOT 4168211, 8 power units
- CLEARWATER CORPORATION — USDOT 4368953, 2 power units
- LONESOME DOVE CONSTRUCTION LLC — USDOT 4581794, 2 power units
- ALAINA TRANSPORT INC — USDOT 4227398, 1 power units
- GERARDO VILLARRUEL GARCIA — USDOT 4272777, 1 power units
Browse all carriers in Cottonwood, CA or all CA carriers.