Carrier profile · USDOT 2551782 · MC-889108 · Updated Jun 13, 2026
MAMMOTH HAULING INC
1 power unitavg 9.2 yrRegional · 5 statesCOVINA, CA56/100
CARRIER INACTIVEMC-889108 INACTIVE
Authority & Insurance
Active operating authority by type and the full insurance continuity timeline — insurer, policy, coverage, and any lapses — so you can confirm they can legally and adequately haul your load today.
Operating authority· 49 CFR · per type
Operating authority
- Common
- Inactive
- Contract
- Inactive
- Broker
- None
Insurance & bonds
BIPD filing (census)Not recorded per census
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census
Insurance continuity· insurer · policy · lapses
$750K BIPD last filed ’26 · 10 insurers · 0 lapsesInsurer churn
2014201720202023now
Shorter eras are too brief to label at this scale — all 10 insurers are named in the list below.
This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.
All 10 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| UNITED FINANCIAL CASUALTY COMPANY | Oct 2025 → Feb 2026 | $750K | 3 |
| BENCHMARK SPECIALTY INSURANCE CO. | Oct 2024 → Oct 2025 | $750K | 1 |
| BENCHMARK INSURANCE COMPANY | Oct 2023 → Oct 2024 | $750K | 3 |
| NORTHLAND INSURANCE COMPANY | Oct 2020 → Oct 2023 | $750K | 1 |
| UNITED STATES FIRE INSURANCE CO. | Oct 2019 → Oct 2020 | $750K | 1 |
| GREAT WEST CASUALTY CO. | Oct 2018 → Oct 2019 | $750K | 1 |
| AMERICAN SENTINEL INSURANCE COMPANY | Oct 2017 → Oct 2018 | $750K | 1 |
| AEGIS SECURITY INSURANCE COMPANY | Oct 2016 → Oct 2017 | $750K | 1 |
| NATIONAL LIABILITY & FIRE INS CO. | Oct 2015 → Oct 2016 | $750K | 1 |
| WESCO INSURANCE COMPANY | Oct 2014 → Oct 2015 | $750K | 1 |