H I Stone & Son Inc is an active interstate carrier based in Southbury, CT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 24 | 0 | 0 |
| Tractors | 37 | 0 | 0 |
| Trailers | 98 | 0 | 0 |
| Total Power Units | 61 | ||
Distinct vehicles · 24 mo
vs 61 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 93% | 91% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 97% | 95% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 93% | 92% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 5 | — | 6.67% |
| Vehicle | 0 | 10 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Oct 1, 2025 | 0 | 1 | 2 | 2 |
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 44 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 24, 2026 | NY | TRUCK TRACTOR | 0 | 0 |
| Jan 23, 2026 | CT | STRAIGHT TRUCK | 1 | 0 |
| Jan 21, 2026 | CT | TRUCK TRACTOR | 1 | 0 |
| Dec 30, 2025 | CT | TRUCK TRACTOR | 14 | 4 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 11 | 1.14 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 11 | 8.84 | — |
| Driver Fitness | 5 | 1.61 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state CT accounts for 81% of activity. Activity outside home state (CT): 19%.
| 12 |
| Unsafe Driving | 12 | 8 | 0 |
| Driver Fitness | 10 | 5 | 7 |
| Dec 29, 2025 |
| CT |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Oct 16, 2025 | MA | TRUCK TRACTOR | 0 | 0 |
| Oct 15, 2025 | CT | TRUCK TRACTOR | 0 | 0 |
| Oct 8, 2025 | CT | STRAIGHT TRUCK | 1 | 0 |
| Sep 10, 2025 | NY | STRAIGHT TRUCK | 1 | 0 |
| Sep 2, 2025 | CT | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 23, 2026 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |
| Jan 21, 2026 | 3922SLLML | State/Local Laws - Failure to maintain lane | Unsafe Driving | — |
| Dec 30, 2025 | 38395ALCDL | Restriction - (CDL) - Operate a CMV in violation of a restriction | Driver Fitness | Yes |
| Dec 30, 2025 | 39141B10MC | Medical (Certificate) - Operating a commercial vehicle without corrective lenses or hearing aid as indicated on the driver's medical certificate | Driver Fitness | Yes |
| Dec 30, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Dec 30, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Dec 30, 2025 | 39348ABIBD | Drum Brake - Inoperative other than a steering axle | Vehicle Maintenance | — |
| Dec 30, 2025 | 39348ABMBCBD | Drum Brake - Missing/broken component(s) | Vehicle Maintenance | — |
| Dec 30, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Dec 30, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |