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H I STONE & SON INC

USDOT 496152 · MC462647 · Southbury, CT

POLICY RENEWAL
Jun 1, 2027
Potential opportunity for an insurance quote · Currently with NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA

H I STONE & SON INC

USDOT 496152 · MC462647 · Southbury, CT  ·  Underwriter-grade risk snapshot

Operating statusActive
Lead priorityLater
Fleet61 power units · 63 drivers (61 trucks)
OperationA · AUTHORIZED FOR HIRE
Current insurerNATIONAL UNION FIRE INS. CO. OF PITSBGH. PA
Crashes / Inspections (24 mo)4 / 32

Out-of-Service Rates

VehicleDriver
This carrier 21.9% (7/32) 9.4% (3/32)
National average22.3%6.7%

⚠️ Above national average. Carriers with high OOS rates face premium surcharges and are more likely to shop for new insurance.

Contact

Address313 MAIN STREET NORTH
SOUTHBURY CT 06488

Fleet & mileage

Power units61
Drivers63 (45 CDL)
MCS-150 mileage2,324,734 (2024)
MCS-150 filedFeb 13, 2025
HazmatY
Cargoother: sludge, general freight

Active insurance filings

DocketFormInsurerPolicy #EffectiveCancelledMax coverage
MC46264791XNATIONAL UNION FIRE INS. CO. OF PITSBGH. PA 2446775Jun 1, 2024— 2,000

Insurance history

InsurerPolicy #EffectiveCancelled
NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA2446775 Mar 6, 2018Jun 1, 2024
HARTFORD CASUALTY INSURANCE COMPANY31 UEA AY7821 Feb 18, 2017Mar 6, 2018
HDI-GERLING AMERICAN INSURANCE COMPANYEXAGC000169816 Feb 18, 2016Oct 6, 2017
HDI-GERLING AMERICAN INSURANCE COMPANYEAGCC000169816 Feb 18, 2016Feb 18, 2017
HDI-GERLING AMERICAN INSURANCE COMPANYEAGCC000169815 Feb 18, 2015Feb 18, 2016
THE CONTINENTAL INSURANCE CO.5091149739 Feb 18, 2013Feb 18, 2015
OLD REPUBLIC GENERAL INSURANCE CORPORATIONA2CA02651200 Feb 18, 2012Feb 18, 2013
VALLEY FORGE INSURANCE CO.1077828599 May 8, 2010Apr 6, 2010

Operating authority

DocketStatusPending
MC462647 Common Active
Contract None
Broker None
—

Inspections & violations

Total inspections32
Out-of-service18
Vehicle OOS rate40.6%
Driver OOS rate15.6%
Total violations60
OOS violations0

Crashes

Total crashes4
Fatal crashes0
Injuries1

Safety measurement (BASIC)

CategoryMeasureStatus
Unsafe Driving0.93OK
Hours of Service0OK
Driver Fitness1.09OK
Controlled Substances0OK
Vehicle Maintenance9.66OK
Insurance agent? H I STONE & SON INC renews Jun 1, 2027 — get the full CT lead list.

Data as of Thu Oct 15 2026 00:00:00 GMT+0000 (Coordinated Universal Time). Source: FMCSA public filings, refreshed daily by Insight Carrier.