Guillen and Sons Llc (DOT# 2978517) – FMCSA Carrier Profile
DOT# 2978517MC# 18146● Active
Updated: 2026-03-09
Guillen and Sons Llc is a registered motor carrier with the FMCSA under USDOT number 2978517. The company operates from East Haven, CT and maintains an active operating status with 5 power units and 6 drivers on record.
Safety Rating
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Company Information
Address74 Humbert St, East Haven, CT, 06513
Phone(203) 909-3180
Entity TypeAuthorized For Hire
OperationInterstate
Power Units5
Drivers6
MCS-150 FiledOctober 24, 2025
Annual Mileage108,753 mi (2024)
Inspection Summary
All-time Inspections
All-time9
Total
5
OOS
1
Driver OOS
4
Vehicle OOS
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
Crash History
Crash Records
All-time1
Total
0
Fatal
0
Injuries
0
Tow-Away
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories0.8
Unsafe Driving
0.0
HOS Compliance
0.5
Driver Fitness
0.0
Controlled Substances
21.6
Vehicle Maintenance
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Frequently Asked Questions
What is USDOT Number 2978517?
USDOT number 2978517 is assigned to Guillen and Sons Llc, an active motor carrier registered with the FMCSA, based in East Haven, CT.
How many inspections has Guillen and Sons Llc had?
Guillen and Sons Llc has recorded 9 total inspections with 5 out-of-service orders, representing an OOS rate of 55.56%.
Where is Guillen and Sons Llc located?
Guillen and Sons Llc is headquartered at 74 Humbert St, East Haven, CT 06513.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 2978517 · Last updated: 2026-03-09. View official FMCSA record →