International Building Supply Llc is an active interstate carrier based in Nauatuck, CT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 3 | 1 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 7 | ||
Distinct vehicles · 24 mo
vs 7 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 | 79% | 91% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 75% | 90% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 88% | 94% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 5 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 29 | 8 | 9 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 5, 2026 | CT | STRAIGHT TRUCK | 0 | 0 |
| Oct 27, 2025 | MA | TRUCK TRACTOR | 3 | 1 |
| Oct 17, 2025 | CT | STRAIGHT TRUCK | 0 | 0 |
| Sep 16, 2025 | MA | TRUCK TRACTOR | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.20 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 8 | 12.46 | — |
| Driver Fitness | 1 | 0.03 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state CT accounts for 71% of activity. Activity outside home state (CT): 29%.
| Driver Fitness |
| 1 |
| 0 |
| 0 |
| Unsafe Driving | 1 | 0 | 0 |
| Sep 13, 2025 |
| CT |
| TRUCK TRACTOR |
| 3 |
| 1 |
| Aug 14, 2025 | RI | TRUCK TRACTOR | 0 | 0 |
| Aug 12, 2025 | RI | TRUCK TRACTOR | 0 | 0 |
| Aug 12, 2025 | RI | TRUCK TRACTOR | 0 | 0 |
| Aug 1, 2025 | CT | TRUCK TRACTOR | 6 | 0 |
| Apr 2, 2025 | CT | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 27, 2025 | 3929ADFSL | Driver - Failing to properly secure load | Vehicle Maintenance | — |
| Oct 27, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Oct 27, 2025 | 393106BC | Cargo - Not immobilized or secured | Vehicle Maintenance | — |
| Sep 16, 2025 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Sep 13, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Sep 13, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Sep 13, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Aug 1, 2025 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Aug 1, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Aug 1, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |