Corey Oil

Interstate carrier in Oconomowoc, Wisconsin · Legal name: Corey Oil Ltd

Oconomowoc, WI 53066 Since 1995 USDOT 603882 MC920984

Liquids and Gases

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Compliance standing for USDOT 603882

0 of 3 items need the owner's attention

MCS-150 filing Filed October 2025
Safety rating Satisfactory
Operating authority MC920984

Company overview

Awaiting owner confirmation

USDOT number: 603882
Operating authority: MC920984
Operation type: Interstate
Carrier classification: Authorized For Hire
Power units: 39
Trucks / tractors: 28
Drivers: 18
CDL drivers: 18
Hazmat: Yes
Annual mileage reported: 389,154 (2025)
USDOT registered since: 1995
Last MCS-150 filing: October 2025
Safety rating: Satisfactory (August 2022)

Built from public registration records.

Cargo and services

Liquids and Gases

Tanker

DOT compliance requirements for Corey Oil

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 603882. Check this company's MCS-150 deadline

Driver qualification files

With 18 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 (18 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