FMCSA Carrier Profile
ZEPHYR ALUMINUM PRODUCTS INC
Dubuque, IA
Active
Conditional
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Conditional
4 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- No active insurance filing found on record
- FMCSA safety rating: Conditional
- Vehicle out-of-service rate 25.0% — above the 20.7% national average
- 4 FMCSA inspections on record
FMCSA Registration
DOT Number
328675
Operating Status
Active
Safety Rating
Conditional
Entity Type
Corporation
MCS-150 Filed
February 24, 2026
FMCSA Registration
September 27, 1988
Annual Mileage
10,000 mi (2025)
Contact Information
Address
555 Huff St, Dubuque, IA 52003
Phone
Email
Owner / Officer
David J Timmerman
Officer 2
Bruce Timmerman
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Safety & Inspection Summary
Total Inspections
4
Driver Inspections
2
Vehicle Inspections
4
Total OOS Orders
3
Violations by Category
Vehicle Maintenance8
Unsafe Driving2
Hours of Service1
OOS Rates vs. National Average
Driver OOS Rate100.0% · national avg 5.5%
⚠ Above national average (94.5pp higher)
Vehicle OOS Rate25.0% · national avg 20.7%
⚠ Above national average (4.3pp higher)
Inspection Trend by Year
2026
2025
2024
Inspection Records (4)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| January 30, 2026 | WI | Level II — Walk-Around | FORD · 1FDWE3FL5CDB35465 | 3 | 1 OOS |
| August 28, 2025 | WI | Level I — Full | GMC · 7GZ37TCG1KN007339 | 2 | 1 OOS |
| August 2, 2024 | IA | Level II — Walk-Around | SUPREME · 1FDWE3FL5CDB35465 | 4 | 1 OOS |
| May 15, 2024 | WI | Level I — Full | GMC · 7GZ37TCG1KN007339 | 2 | Passed |
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
0
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| November 4, 2024 | IA | — | — | Yes | Rain · Dark - Not Lighted · Wet |
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
WI3
IA1
Fleet & Equipment (2)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~2
of 4 reported to FMCSA
Trailers
—
seen at inspection
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2012 Ford E-350 | Chassis / Incomplete · Class 3 | 1FDWE3FL5CDB35465 | 2 | 2 |
| 2019 Gmc Savana | Chassis / Incomplete · Class 3 | 7GZ37TCG1KN007339 | 2 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Other Carriers in Dubuque, IA
Data sourced from FMCSA MCMIS via Socrata. Last updated: September 2, 2026.
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