THAMES VALLEY WINNELSON CO
AUTHORIZEDUSDOT
554444
MC Number
N/A
Fleet Size
1
Total Drivers
1
Last updated: March 16, 2026
Broker verification report
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Safety overview
THAMES VALLEY WINNELSON CO is a small interstate motor carrier based in GROTON, Connecticut, operating 1 power unit with 1 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 100.0% runs above the national average of 5.51%. No crashes on file. FMCSA records show 1 inspection for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Connecticut is 15.5% and the average vehicle OOS rate is 31.1% across 20,376 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
1
Total
100%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
0
Total Crashes
Similar carriers in Connecticut
Other carriers in the same state with a similar fleet size.
PCG LLC
TULL BROTHERS INC
CANDULLO BROTHERS INC
JEAN-CLAUDE MINIER
LOPEZ DELIVERY SERVICES LLC
Frequently asked questions
Is THAMES VALLEY WINNELSON CO authorized to operate?
Yes. THAMES VALLEY WINNELSON CO (USDOT #554444) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is THAMES VALLEY WINNELSON CO's safety record?
THAMES VALLEY WINNELSON CO has 1 inspection on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does THAMES VALLEY WINNELSON CO operate?
THAMES VALLEY WINNELSON CO operates 1 power unit with 1 driver on file. That makes them a small carrier.
Does THAMES VALLEY WINNELSON CO transport hazardous materials?
No. THAMES VALLEY WINNELSON CO does not have a hazardous materials flag in the FMCSA database.
Where is THAMES VALLEY WINNELSON CO located?
THAMES VALLEY WINNELSON CO is based in GROTON, Connecticut at 975 NORTH RD, 06340. Phone: (860) 448-1900.
What are THAMES VALLEY WINNELSON CO's out-of-service rates?
THAMES VALLEY WINNELSON CO's driver out-of-service rate is 100.0%, compared to the national average of 5.51%. Higher than average, which could point to driver compliance issues.