Is Chair City Oil Inc Safe? DOT 630331 – Safety Rating, Crashes & Violations

Q: Where is Chair City Oil Inc located?

Chair City Oil Inc is headquartered at 525 Main Street, Gardner, MA 01440.

This carrier is active. Review the inspection and crash data below.

Chair City Oil Inc is a registered motor carrier with the FMCSA under USDOT number 630331. The company operates from Gardner, MA and maintains an active operating status with 11 power units and 5 drivers on record.

Safety Rating

FMCSA Safety Rating

— Not Rated

No formal safety rating has been assigned to Chair City Oil Inc by the FMCSA. View official FMCSA record →

Crash History

Crash Records

All-time

Total

Fatal

Injuries

Tow-Away

1 crash recorded. Low count, but crash data should always be reviewed alongside inspection history.

BASICS Safety Scores

BASICS Scores

Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories

0.0

Unsafe Driving

Measures violations related to speeding, reckless driving, and improper lane changes.

0.0

HOS Compliance

Tracks hours-of-service violations, including driving beyond legal limits without rest.

0.0

Driver Fitness

Reflects issues with driver qualifications, licenses, and medical certifications.

0.0

Controlled Substances

Captures drug and alcohol violations, including failed or refused tests.

0.0

Vehicle Maintenance

Reflects brake, tire, lighting, and other equipment-related inspection violations.

Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.

Other Carriers in Gardner, MA

View all carriers in Gardner, MA →

More Carriers in Massachusetts

View all carriers in Massachusetts →

Largest Trucking Companies →Safest Trucking Companies →

Carrier Insight

Chair City Oil Inc is a medium-sized motor carrier operating in Massachusetts. 1 crash has been reported. Review crash details alongside fleet size and inspection history before making hiring decisions.

Chair City Oil Inc has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.

The company operates 11 power units and employs 5 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 630331?

USDOT number 630331 is assigned to Chair City Oil Inc, an active motor carrier registered with the FMCSA, based in Gardner, MA.

Where is Chair City Oil Inc located?

Chair City Oil Inc is headquartered at 525 Main Street, Gardner, MA 01440.

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# 630331 · Last updated: 2026-03-09. View official FMCSA record →

Chair City Oil Inc (DOT# 630331) – FMCSA Carrier Profile