Live public profile, unclaimed

Diamond Materials LLC

Interstate carrier in Wilmington, Delaware

Wilmington, DE 19801 Since 1974 USDOT 45597 MC76472

Commodities Dry Bulk
Chemicals
Liquids and Gases
Garbage, Refuse
Machinery, Large Objects

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Compliance standing for USDOT 45597

1 of 3 items needs the owner's attention

MCS-150 filing Filed July 2025
Safety rating Conditional
Operating authority MC76472

Company overview

Awaiting owner confirmation

USDOT number: 45597
Operating authority: MC76472
Operation type: Interstate
Carrier classification: Private Property; Authorized For Hire
Power units: 139
Trucks / tractors: 136
Drivers: 117
CDL drivers: 117
Hazmat: Yes
Annual mileage reported: 676,737 (2025)
USDOT registered since: 1974
Last MCS-150 filing: July 2025
Safety rating: Conditional (May 1988)

Built from public registration records.

Cargo and services

Commodities Dry Bulk; Chemicals; Liquids and Gases; Garbage, Refuse; Machinery, Large Objects; Construction; Logs, Poles, Beams, Lumber

DOT compliance requirements for Diamond Materials LLC

Based on this carrier's registration profile, these federal requirements apply:

USDOT registration and MCS-150 biennial update

Every registered carrier must keep its MCS-150 filing current and update it at least every two years. Missing the biennial update window can deactivate USDOT number 45597. Check this company's MCS-150 deadline

Driver qualification files

With 117 drivers on record, this carrier must maintain a complete DQ file for each driver: applications, MVRs, medical certificates and road test records. DQ file services

Drug & Alcohol testing and FMCSA Clearinghouse

Carriers with CDL drivers (117 reported) must run a compliant DOT drug and alcohol testing program and complete annual Clearinghouse queries for every driver. Clearinghouse services

Hazardous materials compliance

This carrier is flagged for hazardous materials. That adds hazmat registration, placarding, security planning and driver training requirements on top of standard rules. Hazmat compliance help

Hours of service and ELD

As an interstate operation, drivers are subject to federal hours-of-service limits and, in most cases, electronic logging device requirements. ELD & HOS support