Carrier profile · USDOT 422715 · MC-236487 · Updated Jun 13, 2026
Steven Thornberry
DBA M&L TRANSPORT
0 power unitsBULLHEAD CITY, AZ50/100
CARRIER INACTIVEMC-236487 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
- None
- 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 ’21 · 15 insurers · 5 lapsesCoverage lapse
beyond this history
1994200220102018now
Shorter eras are too brief to label at this scale — all 17 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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 17 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| NORTHLAND INSURANCE COMPANY | Mar 2020 → Mar 2021 | $750K | 2 |
| UNITED FINANCIAL CASUALTY COMPANY | Jun 2013 → May 2015 | $750K | 3 |
| PLAZA INSURANCE COMPANY | Jun 2012 → Jun 2013 | $750K | 1 |
| SCOTTSDALE INDEMNITY COMPANY | Jun 2011 → Jun 2012 | $750K | 1 |
| AMERICAN SAFETY INDEMNITY COMPANY | Mar 2011 → Jun 2011 | $750K | 1 |
| ZURICH AMERICAN INSURANCE COMPANY | Jan 2010 → Jan 2011 | $750K | 1 |
| SENTRY SELECT INSURANCE COMPANY | Jan 2009 → Jan 2010 | $750K | 1 |
| UNIVERSAL CASUALTY COMPANY | Jan 2008 → Jan 2009 | $750K | 5 |
| UNIVERSAL CASUALTY COMPANY | Jan 2007 → Jan 2007 | $750K | 3 |
| LIBERTY MUTUAL INSURANCE CO. | Jan 2006 → Jan 2007 | $750K | 4 |
| NATIONAL INDEMNITY COMPANY | Jan 2005 → Jan 2006 | $750K | 1 |
| SUTTER INSURANCE COMPANY | Mar 2004 → Jan 2005 | $750K | 1 |
| TOPA INSURANCE COMPANY | Jan 2003 → Jan 2004 | $750K | 1 |
| TOPA INSURANCE COMPANY | Jan 2002 → Mar 2002 | $750K | 5 |
| HANOVER INSURANCE CO. | Jan 2001 → Jan 2002 | $750K | 1 |
| INTERNATIONAL BUSINESS & MERC. REASS. CO. | Jan 1997 → Jan 1998 | $750K | 2 |
| TIG PREMIER INSURANCE CO. | Jun 1994 → Aug 1995 | $750K | 2 |