FMCSA Carrier Profile
ILMOR ENGINEERING
Owner / Officer: Thom Siebert
Active
No Safety Rating
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
1st pct · 4 inspections on record
✓ No risk flags found on authority or insurance records
Vetting Notes
ILMOR ENGINEERING is an active FMCSA-registered motor carrier based in Plymouth, Michigan, operating under DOT 355771. No high-severity flags were found on authority or insurance records. Across 4 FMCSA inspections on record, this carrier shows 25.0% vehicle OOS. Authority and safety history are clean as of this page's last update.
FMCSA Registration
DOT Number
355771
Operating Status
Active
Safety Rating
Not Rated
Entity Type
Corporation
MCS-150 Filed
March 13, 2026
FMCSA Registration
May 31, 1989
Annual Mileage
140,000 mi (2025)
Contact Information
Address
43939 Plymouth Oaks Blvd, Plymouth, MI 48170
Phone
Email
Owner / Officer
Thom Siebert
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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
4
Driver Inspections
Vehicle Inspections
4
Total OOS Orders
1
Violations by Category
Vehicle Maintenance2
Unsafe Driving0
Hours of Service5
OOS Rates vs. National Average
Vehicle OOS Rate25.0% · national avg 20.7%
⚠ Above national average (4.3pp higher)
Inspection Trend by Year
2025
2024
Inspection Records (4)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| June 25, 2025 | NY | Level II — Walk-Around | FREIGHTLIN · 1FVACVDCX7HY20955 | 3 | 1 OOS |
| June 22, 2025 | IA | Level II — Walk-Around | FORD · 1FT8W4DT5JEB34987 | 2 | Passed |
| August 11, 2024 | NC | Level II — Walk-Around | FRHT · 1FVACVDCX7HY20955 | 0 | Clean |
| October 2, 2024 | WV | Level II — Walk-Around | FORD · 1FT8W4DT5JEB34987 | 2 | Passed |
Other Carriers in Plymouth, MI
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 7, 2026.
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