Guillen And Sons Llc is an active interstate carrier based in East Haven, CT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 5 | 0 | 0 |
| Tractors | 5 | 0 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 5 | ||
Distinct vehicles · 24 mo
vs 5 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 | 82% | 90% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 86% | 91% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 97% | 98% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 5 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 45 | 14 | 5 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 9, 2026 | CT | TRUCK TRACTOR | 0 | 0 |
| Dec 29, 2025 | NJ | TRUCK TRACTOR | 4 | 1 |
| Nov 24, 2025 | CT | TRUCK TRACTOR | 5 | 0 |
| Nov 20, 2025 | CT | TRUCK TRACTOR | 7 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.75 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 8 | 22.00 | — |
| Driver Fitness | 1 | 0.43 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state CT accounts for 70% of activity. Activity outside home state (CT): 30%.
| Driver Fitness |
| 1 |
| 1 |
| 1 |
| Unsafe Driving | 1 | 0 | 0 |
| Oct 1, 2025 |
| CT |
| TRUCK TRACTOR |
| 3 |
| 1 |
| Sep 29, 2025 | CT | STRAIGHT TRUCK | 12 | 0 |
| May 15, 2025 | MA | TRUCK TRACTOR | 0 | 0 |
| Jan 6, 2025 | CT | TRUCK TRACTOR | 1 | 1 |
| Dec 10, 2024 | RI | TRUCK TRACTOR | 10 | 3 |
| Jul 18, 2024 | CT | TRUCK TRACTOR | 5 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 29, 2025 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Dec 29, 2025 | 393205CWR | Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | — |
| Dec 29, 2025 | 39375A3TAOLTIS | Tires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS | Vehicle Maintenance | Yes |
| Dec 29, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Nov 24, 2025 | 39355D1B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 1997 and each single unit CMV on or after 1998. | Vehicle Maintenance | — |
| Nov 24, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Nov 24, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Nov 24, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Nov 24, 2025 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Nov 20, 2025 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |