FMCSA Carrier Profile
THREADED FASTENERS INC
Owner / Officer: William D Duren, Jr
Active
No Safety Rating
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
1st pct · 9 inspections on record
✓ No risk flags found on authority or insurance records
Vetting Notes
THREADED FASTENERS INC is an active FMCSA-registered motor carrier based in Mobile, Alabama, operating under DOT 528103. No high-severity flags were found on authority or insurance records. Across 9 FMCSA inspections on record, this carrier shows 0.0% vehicle OOS and 37.5% driver OOS. Authority and safety history are clean as of this page's last update.
FMCSA Registration
DOT Number
528103
Operating Status
Active
Safety Rating
Not Rated
Entity Type
Corporation
MCS-150 Filed
March 4, 2026
FMCSA Registration
June 23, 1993
Annual Mileage
150,000 mi (2025)
Contact Information
Address
3200 Crichton Street Legal Department, Mobile, AL 36607
Phone
Email
Owner / Officer
William D Duren, Jr
Officer 2
Robert D Spurlock, Jr
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Safety Percentile
1st percentile
vs. peer carriers
✓ Below FMCSA alert threshold (65th pct) · lower percentile = fewer violations than peers · source: FMCSA SMS
Safety & Inspection Summary
Total Inspections
9
Driver Inspections
8
Vehicle Inspections
2
Total OOS Orders
3
Violations by Category
Vehicle Maintenance1
Unsafe Driving5
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate37.5% · national avg 5.5%
⚠ Above national average (32.0pp higher)
Vehicle OOS Rate0.0% · national avg 20.7%
✓ Below national average
Inspection Trend by Year
2026
2025
2024
Inspection Records (9)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| May 22, 2025 | FL | Level III — Driver Only | FORD · 3FRNF65F57V511194 | 0 | Clean |
| July 17, 2024 | FL | Level III — Driver Only | HINO · 5PVNE8JTXF4S56243 | 0 | Clean |
| March 13, 2025 | FL | Level III — Driver Only | FORD · 1FDUF4HT8HEB36649 | 1 | Passed |
| December 12, 2024 | FL | Level II — Walk-Around | FORD · 3FRNF65F57V511194 | 0 | Clean |
| June 10, 2026 | FL | Level III — Driver Only | CHEVROLET · 54DCDW1B2KS810382 | 0 | Clean |
| January 9, 2026 | FL | Level I — Full | FORD · 1FDUF4HT8HEB36649 | 3 | 1 OOS |
| April 9, 2024 | FL | Level III — Driver Only | — | 1 | Passed |
| August 6, 2025 | FL | Level III — Driver Only | FORD · 3FRNF65F57V511194 | 0 | 2 OOS |
| October 1, 2025 | FL | Level III — Driver Only | HINO · 5PVNE8JTXF4S56243 | 1 | Passed |
Other Carriers in Mobile, AL
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 2, 2026.
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