Diamond J Industries Inc (DOT# 530234) – FMCSA Carrier Profile
DOT# 530234● Active
Updated: 2026-03-09
Diamond J Industries Inc is a registered motor carrier with the FMCSA under USDOT number 530234. The company operates from Liberty, MS and maintains an active operating status with 16 power units and 19 drivers on record.
Safety Rating
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Company Information
Address1071 E Main St, Liberty, MS, 39645
Phone(601) 657-8938
Entity TypePrivate Property
OperationInterstate
Power Units16
Drivers19
MCS-150 FiledApril 25, 2025
Annual Mileage1,212,999 mi (2024)
Inspection Summary
All-time Inspections
All-time19
Total
2
OOS
0
Driver OOS
2
Vehicle OOS
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
Crash History
Crash Records
All-time3
Total
0
Fatal
1
Injuries
0
Tow-Away
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories1.4
Unsafe Driving
0.0
HOS Compliance
0.0
Driver Fitness
0.0
Controlled Substances
4.1
Vehicle Maintenance
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Frequently Asked Questions
What is USDOT Number 530234?
USDOT number 530234 is assigned to Diamond J Industries Inc, an active motor carrier registered with the FMCSA, based in Liberty, MS.
How many inspections has Diamond J Industries Inc had?
Diamond J Industries Inc has recorded 19 total inspections with 2 out-of-service orders, representing an OOS rate of 10.53%.
Where is Diamond J Industries Inc located?
Diamond J Industries Inc is headquartered at 1071 E Main St, Liberty, MS 39645.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 530234 · Last updated: 2026-03-09. View official FMCSA record →