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Duff Supply Co Inc (DOT# 332560) – FMCSA Carrier Profile

doing business as DUFF COMPANY
DOT# 332560● Active
Updated: 2026-03-09

Duff Supply Co Inc is a registered motor carrier with the FMCSA under USDOT number 332560. The company operates from Norristown, PA and maintains an active operating status with 5 power units and 6 drivers on record.

Safety Rating

FMCSA Safety Rating
✓ Satisfactory
Rated: April 21, 2006

Duff Supply Co Inc holds a "Satisfactory" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that the carrier has been found to comply with federal safety regulations based on the most recent compliance review conducted by FMCSA. View official FMCSA record →

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Company Information

Address201 E Lafayette St, Norristown, PA, 19401
Phone(610) 275-4453
Emailinfo@duffco.com
Entity TypePrivate Property
OperationInterstate
Power Units5
Drivers6
MCS-150 FiledAugust 12, 2024
Annual Mileage220,000 mi (2024)
All carriers in Pennsylvania→Carriers in Norristown, PA→

Inspection Summary

All-time Inspections
All-time
16
Total
0
OOS
0
Driver OOS
0
Vehicle OOS
OOS Rate0.00%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.

BASICS Safety Scores

BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories
6.0
Unsafe Driving
0.0
HOS Compliance
0.0
Driver Fitness
0.0
Controlled Substances
0.2
Vehicle Maintenance
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Frequently Asked Questions

What is USDOT Number 332560?
USDOT number 332560 is assigned to Duff Supply Co Inc, an active motor carrier registered with the FMCSA, based in Norristown, PA.
What is the safety rating of Duff Supply Co Inc?
Duff Supply Co Inc has a safety rating of Satisfactory as of April 21, 2006.
How many inspections has Duff Supply Co Inc had?
Duff Supply Co Inc has recorded 16 total inspections with 0 out-of-service orders, representing an OOS rate of 0.00%.
Where is Duff Supply Co Inc located?
Duff Supply Co Inc is headquartered at 201 E Lafayette St, Norristown, PA 19401.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 332560 · Last updated: 2026-03-09. View official FMCSA record →