Carrier profile · USDOT 390650 · MC-231455 · Updated Jun 13, 2026
Tom Thorp Transports Inc
62 power unitsMERTZON, TX44/100
CARRIER INACTIVEMC-231455 INACTIVEHAZMAT
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
- None
- Contract
- Inactive
- Broker
- None
Insurance & bonds
BIPD / liability$1,000,000 in force
Cargo filing (census)Recorded per census
Surety bond (census)Not recorded per census
Insurance adequacy· filed BIPD vs the $750K federal floor
$1M in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$5M BIPD last filed ’23 · 11 insurers · 2 lapsesCoverage lapse
1994200220102018now
Shorter eras are too brief to label at this scale — all 16 insurers are named in the list below.
BIPD in force — $1,000,000 · ALLIED WORLD NATIONAL ASSURANCE COMPANY · since Nov 2023
All 16 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| NATIONAL FIRE & MARINE INSURANCE CO. | Nov 2022 → Dec 2023 | $5M | 6 |
| ALLIED WORLD INSURANCE COMPANY | Nov 2022 → Nov 2023 | $5M | 1 |
| HARTFORD FIRE INSURANCE COMPANY | Nov 2020 → Nov 2022 | $5M | 2 |
| ILLINOIS NATIONAL INSURANCE CO. | Nov 2019 → Nov 2020 | $5M | 1 |
| NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA | Nov 2017 → Nov 2019 | $5M | 1 |
| ILLINOIS NATIONAL INSURANCE CO. | Nov 2016 → Nov 2017 | $5M | 1 |
| NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA | Nov 2016 → Nov 2016 | $5M | 1 |
| ILLINOIS NATIONAL INSURANCE CO. | Nov 2012 → Nov 2016 | $5M | 7 |
| ARCH INSURANCE COMPANY | Nov 2008 → Nov 2012 | $5M | 1 |
| ILLINOIS NATIONAL INSURANCE CO. | Nov 2006 → Nov 2008 | $5M | 1 |
| NATIONAL CASUALTY COMPANY | Nov 2004 → Nov 2006 | $5M | 2 |
| COLONIAL COUNTY MUTUAL INSURANCE COMPANY | Nov 2003 → Nov 2003 | $5M | 2 |
| NATIONAL FIRE & MARINE INSURANCE CO. | Nov 2001 → Nov 2003 | $5M | 2 |
| OLD AMERICAN COUNTY MUTUAL FIRE INS COMPANY | Nov 2000 → Nov 2001 | $5M | 2 |
| PETROSURANCE CASUALTY COMPANY | Nov 1994 → Nov 1997 | $5M | 3 |
| HARCO NATIONAL INSURANCE CO. | Jun 1994 → Jun 1995 | $5M | 1 |