FMCSA Carrier Profile
AINSWORTH ROCK SALES INC
Owner / Officer: Juliette Ainsworth
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
AINSWORTH ROCK SALES INC is an active FMCSA-registered motor carrier based in Denver, Colorado, operating under DOT 616409. No high-severity flags were found on authority or insurance records. Across 4 FMCSA inspections on record, this carrier shows 0.0% vehicle OOS and 0.0% driver OOS. Authority and safety history are clean as of this page's last update.
FMCSA Registration
DOT Number
616409
Operating Status
Active
Safety Rating
Not Rated
MCS-150 Filed
May 6, 2026
FMCSA Registration
October 6, 1995
Annual Mileage
1,050,000 mi (2025)
Contact Information
Address
5600 N Washington St, Denver, CO 80216
Phone
Email
Owner / Officer
Juliette Ainsworth
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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
2
Vehicle Inspections
2
Total OOS Orders
Violations by Category
Vehicle Maintenance0
Unsafe Driving1
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate0.0% · national avg 20.7%
✓ Below national average
Inspection Trend by Year
2026
2025
2024
Inspection Records (4)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| October 23, 2024 | CO | Level III — Driver Only | PETERBILT · 1XPCDP9X6KD633350 | 0 | Clean |
| April 22, 2026 | CO | Level III — Driver Only | PETERBILT · 1XPCDP9X6GD328390 | 0 | Clean |
| January 15, 2026 | CO | Level II — Walk-Around | PETERBILT · 1XPCDP9X5LD712509 | 1 | Passed |
| December 15, 2025 | CO | Level II — Walk-Around | KENWORTH · 1XKZDP9X5RJ351910 | 0 | Clean |
Other Carriers in Denver, CO
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 1, 2026.
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