Federal Oil Service Inc (DOT# 683485) – FMCSA Carrier Profile
DOT# 683485● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
Federal Oil Service Inc is a registered motor carrier with the FMCSA under USDOT number 683485. The company operates from Killingworth, CT and maintains an active operating status with 2 power units and 1 drivers on record.
Safety Rating
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Company Information
Address58 Granite Hill Road, Killingworth, CT, 06419
Phone(860) 663-5688
Entity TypeAuthorized For Hire
OperationIntrastate (Non-Hazmat)
Power Units2(Small carrier)
Drivers1
MCS-150 FiledJanuary 19, 2026
Annual Mileage25,000 mi (2025)
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Frequently Asked Questions
What is USDOT Number 683485?
USDOT number 683485 is assigned to Federal Oil Service Inc, an active motor carrier registered with the FMCSA, based in Killingworth, CT.
Where is Federal Oil Service Inc located?
Federal Oil Service Inc is headquartered at 58 Granite Hill Road, Killingworth, CT 06419.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 683485 · Last updated: 2026-03-09. View official FMCSA record →