FMCSA Carrier Profile
COX ENGINEERING COMPANY
Owner / Officer: Christian Sullivan
Active
Satisfactory
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Satisfactory
0th pct · 5 inspections on record
✓ No risk flags found on authority or insurance records
Vetting Notes
COX ENGINEERING COMPANY is an active FMCSA-registered motor carrier based in Randolph, Massachusetts, operating under DOT 301320. No high-severity flags were found on authority or insurance records. Across 5 FMCSA inspections on record, this carrier shows 0.0% vehicle OOS and 25.0% driver OOS. Authority and safety history are clean as of this page's last update.
FMCSA Registration
DOT Number
301320
Operating Status
Active
Safety Rating
Satisfactory
Entity Type
Corporation
MCS-150 Filed
February 15, 2024
FMCSA Registration
September 10, 1987
Annual Mileage
40,000 mi (2023)
Contact Information
Address
21 Pacella Park Dr, Randolph, MA 02368
Phone
Email
Owner / Officer
Christian Sullivan
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Safety Percentile
0th percentile
vs. peer carriers
✓ Below FMCSA alert threshold (65th pct) · lower percentile = fewer violations than peers · source: FMCSA SMS
Safety & Inspection Summary
Total Inspections
5
Driver Inspections
4
Vehicle Inspections
2
Total OOS Orders
1
Violations by Category
Vehicle Maintenance2
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate25.0% · national avg 5.5%
⚠ Above national average (19.5pp higher)
Vehicle OOS Rate0.0% · national avg 20.7%
✓ Below national average
Inspection Trend by Year
2026
2025
2024
Inspection Records (5)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| January 22, 2026 | MA | Level III — Driver Only | INTL · 3HAEUMML0LL370034 | 0 | Clean |
| August 19, 2024 | MA | Level III — Driver Only | INTL · 3HAEUMML0LL370034 | 0 | Clean |
| May 13, 2025 | RI | Level I — Full | FORD · 1FDRF3H61GEA61964 | 2 | 1 OOS |
| March 12, 2025 | MA | Level II — Walk-Around | FRTV · 3ALACWFC7NDNJ2194 | 0 | Clean |
| February 8, 2025 | MA | Level III — Driver Only | INTL · 3HSDZAPR9RN163386 | 0 | Clean |
Other Carriers in Randolph, MA
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 4, 2026.
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