DUFF SUPPLY CO INC
USDOT 332560 • DBA: DUFF COMPANY • 201 E LAFAYETTE ST, NORRISTOWN, PA, 19401
ACTIVE
Authority:None on file
Insurance:None on file
BOC-3:Not on file
Safety Rating:S
MCS-150:Never updated
OOS Orders:None
Overview
Company profile from FMCSA Census File
USDOT
332,560
Status
ACTIVE
Entity Type
Partnership
Operation
Interstate
State
Phone
6102754453
Email
Power Units (MCS-150)
5
Drivers (MCS-150)
6
Safety Rating
S
MCS-150 Mileage
220,000
Physical Address
201 E LAFAYETTE ST, NORRISTOWN, PA, 19401
Mailing Address
PO BOX 618, NORRISTOWN, PA, 19404
Contact
Phone: 6102754453
Email: [email protected]
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Active Authority
0
Revoked / Inactive
0
Authority Types
0
Insurance Policies
None on file
BOC-3 Filing
Not on file
Operating Authority
fmcsa-authhistApr 5, 2026
No records found
No insurance filings found for this carrier in FMCSA records.
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Driver Fitness
N/A
Hours of Service
N/A
Unsafe Driving
68%
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspections
28
Violations
12
Vehicle OOS %
0.0%
Driver OOS %
0.0%
Power Units (MCS-150)
5
Drivers (MCS-150)
6
Crash Records
6
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
1
May
Jun
1
Jul
Aug
1
Sep
Oct
1
Nov
Dec
Jan
Feb
2
Mar
2
Apr
May
1
Jun
Jul
Aug
Sep
3
Oct
1
Nov
1
Dec
Jan
1
Feb
3
Mar
Apr
Clean monthMonth with OOSBased on latest 28 of 28 inspection records
Inspection Activity Map
2 states • 28 inspections
None Low Medium High🚛 Home base
Violation Summary (12 violations from 28 inspections)
fmcsa-inspection-file
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:392.2-SLLTCD | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2 | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR:393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLSR | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLIT | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:392.16-D | Failing to use seat belt (49 CFR) | 1 | 0 | 3 | Unsafe Driving |
| FMCSR:392.82DUMT | Texting while driving | 1 | 0 | 10 | Unsafe Driving |
| FMCSR:393.9(a) | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:390.21T(a) | 390.21T(a) | 1 | 0 | — | General/Admin |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
Vehicle OOS Rate
0.0%vs nat'l 23.4%
-23.4 pts below avg
Driver OOS Rate
0.0%vs nat'l 6.7%
-6.7 pts below avg
Violations / Inspection
0.43vs nat'l 1.80
-1.37 below avg
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (28 inspections)
fmcsa-inspectionsApr 5, 2026
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
18 total · 0.0% OOS
2024-052026-03
InspectionsOOS
Most frequent inspection stations
Violations by BASIC category
Recent Crashes
6 crash records from FMCSA Crash File
Total Crashes
6
Fatalities
0
Injuries
2
Across 2 crashes
Tow-Aways
4
Crash History (6 records)
fmcsa-crash-fileApr 5, 2026
| Date | State | Severity | Fatalities | Injuries | City | Location | VIN | Carrier Name at Crash |
|---|---|---|---|---|---|---|---|---|
| Jan 31, 2024 | NJ | TOW | 0 | 0 | UPPER PITTSGROVE TWP | NJ 77 | ...LJ2270 | DUFF SUPPLY CO INC |
| May 28, 2019 | NJ | TOW | 0 | 0 | — | — | — | — |
| Jul 16, 2018 | PA | INJURY | 0 | 1 | — | — | — | — |
| Jan 28, 2005 | PA | TOW | 0 | 0 | — | — | — | — |
| Jul 30, 2002 | PA | INJURY | 0 | 1 | — | — | — | — |
| Oct 20, 1995 | PA | TOW | 0 | 0 | — | — | — | — |
Compliance Timeline
6 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records
Related Records
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CityEntities in NORRISTOWN, PA
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FMCSA Crash File
Inspections28 inspection records
Full inspection history
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Data sources & freshness
FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026