Carrier profile · USDOT 496152 · MC-462647 · Updated Jun 13, 2026
H I STONE & SON INC
61 power unitsavg 8.1 yrRegional · 3 statesSOUTHBURY, CT68/100
CARRIER ACTIVEMC-462647 ACTIVERATED SATISFACTORYHAZMAT
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$2,000,000 in force
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census
Insurance adequacy· filed BIPD vs the $750K federal floor
$2M in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$750K BIPD last filed ’24 · 6 insurers · 0 lapsesInsurer churn
National Union’18–now
2003200920152021now
Shorter eras are too brief to label at this scale — all 7 insurers are named in the list below.
BIPD in force — $2,000,000 · NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA · since Jun 2024
All 7 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA | Mar 2018 → Jun 2024 | $750K | 1 |
| HARTFORD CASUALTY INSURANCE COMPANY | Feb 2017 → Mar 2018 | $750K | 1 |
| HDI-GERLING AMERICAN INSURANCE COMPANY | Feb 2015 → Feb 2017 | $750K | 3 |
| THE CONTINENTAL INSURANCE CO. | Feb 2013 → Feb 2015 | $750K | 1 |
| OLD REPUBLIC GENERAL INSURANCE CORPORATION | Feb 2012 → Feb 2013 | $750K | 1 |
| VALLEY FORGE INSURANCE CO. | May 2010 → Feb 2012 | $750K | 1 |
| CONTINENTAL CASUALTY CO. | Jun 2003 → May 2010 | $750K | 1 |