H I STONE & SON INC

DOT# 496152 MC# 462647 Southbury, CT Authorized For-Hire
(203) 264-8656 cstonejr@histoneson.com 313 Main Street North, Southbury CT 06488
61 power units · all owned 63 drivers 2.3M mi/yr · ~38k per unit
HazMat
Satisfactory
FRED Score 50.0 / 100
Moderate confidence
34 yrs history · 32 roadside inspections

FMCSA Live Status

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Fleet & equipment

Power units
61
Drivers · CDL
63 · 45
Annual miles
2.3M
Type Own Term Trip Total
Trucks 24 0 0 24
Tractors 37 0 0 37
Trailers 98 0 0 98

Registration

Organization
CORPORATION
FMCSA Rating
Satisfactory (04-09-2007) · 19 yr old
Registered
08-27-1992 (34 yrs)
MCS-150 Update
02-13-2025 (Address Change)
FRED Score Date
Nov 07, 2026
Officer
HARRY H STONE
Officer
STEPHANIE M. DONOVAN

Cargo

60.0
medium risk
Machinery/Large Objects Liquids/Gases General Freight Logs/Poles/Beams/Lumber Building Materials Other: SLUDGE Construction Coal/Coke Garbage/Refuse
High-Risk Cargo
Machinery Large, General Freight

Note: "General Freight" is a catch-all; the actual cargo mix and its risk may differ.

Estimated from the commodity types reported to FMCSA, not from loss history or the true cargo mix.

Expected crash rate is probably higher than similar fleets (about a 60% chance), but the record is too thin to say by how much.

Similar fleets: for-hire fleets of 50–99 trucks with the same kind of operation, years in business and amount of road activity. Compared using its own crash record and roadside inspections.

Per truck, fleets like this one are expected to crash about 0.5× as often as the median active fleet of 50–99 trucks.

This motor carrier 1.26×
ExcellentStrongSatisf.MarginalPoorCritical
▲ Similar fleets 1.0×
Leaning Marginal. Its estimate (1.26× similar fleets) is in the Marginal range, but the record isn't strong enough to be 60% sure it is above the Marginal line (1.06×), so the grade stays Satisfactory.
Expected crashes, next 12 months
1.7 vs 1.4 for similar fleets
Likely 0–4 crashes
This motor carrier
1.7
Similar fleets
1.4
Chance of a fatal crash, next 12 months
~5%
About typical for similar fleets.
What's driving the grade
Crash history
betterworse
Leans worse, not yet proven. 4 crashes on the FMCSA record in 24 months (about 2 a year), including 1 with injuries; similar fleets have about 1.4 a year. The grade counts 5 crashes in its 36-month scoring window, recent ones weighted most.
Roadside inspections
betterworse
About typical. Out-of-service orders, violations and unsafe-driving or hours-of-service violations are all close to the rate expected for its inspections.

Worth a closer look

From the FMCSA record. The grade already counts the safety items; insurance filings and links to other motor carriers are not in it.

  • Injury crashes
    1 crash with 1 person hurt in 24 months.
    Ask: claim status and driver history for these crashes.
  • Driver qualification
    5 out-of-service violations against drivers: 4 no valid CDL, 1 medical certificate (Jan 2025 – Dec 2025).
    Ask: driver qualification files and hiring standards.
  • Lights and brakes
    Lights are 15 of 60 violations (25%). Light or brake defects led to 6 out-of-service orders.
    Ask: the preventive-maintenance schedule and shop records.
  • Vehicle out-of-service rate
    41.2% of vehicle inspections end out of service vs 22.3% nationally (7 of 17), but across all its inspections out-of-service orders are 0.98× what's expected for where and how it's inspected, the measure the grade uses.
Strengths
  • No FMCSA BASIC alerts.
Data flags
  • Dangerous driving: 2
  • High speeding: 5

Track record

FMCSA record, Sep 2024 – Aug 2026 · grade scored on Sep 1, 2023 → Sep 30, 2026
Crashes
4
0 fatalities · 1 injury · 0 tow-aways
Inspections
32
38% clean (no violations)
Vehicle out-of-service
41.2%
7 of 17
National avg 22.3%
Driver out-of-service
9.4%
3 of 32
National avg 6.7%
Violations
60
17 out-of-service
Inspections per quarter With an out-of-service order
Q4 '24: 6 inspections, 0 out of service 6 Q4 '24 Q1 '25: 5 inspections, 3 out of service 5 Q1 '25 Q2 '25: 1 inspections, 1 out of service 1 Q2 '25 Q3 '25: 4 inspections, 1 out of service 4 Q3 '25 Q4 '25: 5 inspections, 1 out of service 5 Q4 '25 Q1 '26: 3 inspections, 0 out of service 3 Q1 '26 Q2 '26: 2 inspections, 1 out of service 2 Q2 '26 Q3 '26: 5 inspections, 1 out of service 5 Q3 '26
Sep 25–30, 2024 isn't charted (too little of that quarter is on file); the 24-month totals include its 1 inspection.
vs 4,520 peer fleets
This motor carrierPeers
Crashes 0.033 0.025
Inspections 0.45 0.91
Violations 0.49 0.53
Critical violations 0.11 0.11

Yearly rates from the last 24 months. Peers: 50–99 power units, medium-risk cargo.

What they get cited for

60 violations · 24 months
  • Vehicle maintenance No alert
    44 · 12 OOS
    Lights 15 · Brakes 13 · Cargo securement 4 · Tires 3 · Steering & suspension 1 · 8 more
  • Unsafe driving No alert
    10 · 0 OOS
    Speeding 5 · Reckless / lane 3 · Seat belt 2
  • Driver fitness No alert
    6 · 5 OOS
    No valid CDL 5 · Medical certificate 1
  • Hours of service No alert
    0
  • Drugs & alcohol No alert
    0
Out-of-service violations “No alert” = under FMCSA's BASIC intervention threshold

Violations by quarter

Tap a category to show or hide it
No violation trend data

Crashes

24 months
  • Jan
    22
    2026
    Connecticut
    Property damage only
    Daylight, two-way trafficway divided unprotected median.
  • Dec
    26
    2025
    Connecticut
    Injury · 1 person hurt
    Dawn, two-way trafficway divided unprotected median.
  • Dec
    4
    2025
    Connecticut
    Property damage only
    Dawn, two-way trafficway divided unprotected median.
  • Jul
    3
    2025
    Connecticut
    Property damage only
    Daylight, two-way trafficway divided unprotected median. FMCSA: not preventable.

Insurance filed with FMCSA

FMCSA record through May 14, 2026 · no change recorded by FMCSA since
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Last on FMCSA's record (May 14, 2026)
$2,000,000 · NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA
on record since Jun 1, 2024 · FMCSA minimum $750,000 · no gap on FMCSA's record since Jun 2003
Cargo filing
not required by FMCSA (household-goods motor carriers only); the cargo policy is not on FMCSA's record
36 months to May 14, 2026
  • One liability insurer throughout
  • No gap in filed liability coverage while liability was required

Operating authority active (FMCSA's L&I record of May 14, 2026, status since May 14, 2010)

Who insures fleets like this →

FMCSA filings only, not a policy audit. Not part of the FRED grade. Wrong or out of date?

Where it happens

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Inspections by state
  • Connecticut (HQ) 24
  • Massachusetts 4
  • New York 3
  • New Jersey 1

75% of inspections were in its home state.