Carrier profile · USDOT 366666 · MC-151465 · Updated Jun 13, 2026
William Lawton & Sons Inc
DBA LAWTON MOVING & STORAGE
3 power unitsWARWICK, RI50/100
CARRIER ACTIVEMC-151465 ACTIVE
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
- Active
- Contract
- None
- Broker
- None
Insurance & bonds
BIPD / liability$750,000 in force
Cargo filing (census)Recorded per census
Surety bond (census)Not recorded per census
Insurance adequacy· filed BIPD vs the $750K federal floor
$750K in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$750K BIPD last filed ’25 · 8 insurers · 0 lapsesInsurer churn
1990199920082017now
Shorter eras are too brief to label at this scale — all 9 insurers are named in the list below.
BIPD in force — $750,000 · SOUTHERN INSURANCE COMPANY · since Oct 2025
All 9 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| WESCO INSURANCE COMPANY | Oct 2017 → Oct 2025 | $750K | 1 |
| GRANITE STATE INSURANCE CO. | Oct 2014 → Oct 2017 | $750K | 1 |
| AMERICAN GUARANTEE & LIABILITY INS. CO. | Oct 2009 → Oct 2014 | $750K | 1 |
| HANOVER INSURANCE CO. | Oct 2006 → Oct 2009 | $750K | 2 |
| STONINGTON INSURANCE COMPANY | Oct 2005 → Oct 2006 | $750K | 1 |
| HANOVER INSURANCE CO. | Oct 1999 → Oct 2005 | $750K | 1 |
| TWIN CITY FIRE INSURANCE COMPANY | Oct 1997 → Oct 1999 | $750K | 1 |
| PROVIDENCE WASHINGTON INSURANCE CO. | Oct 1996 → Jan 1998 | $750K | 1 |
| TRAVELERS INDEMNITY COMPANY | Oct 1990 → Oct 1996 | $750K | 1 |