Wt Byler Company Lp

Interstate carrier in Houston, Texas

Houston, TX 77060 Since 1994 USDOT 556379 MC431866

Liquids and Gases
Machinery, Large Objects
Materials Of The Trade

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Compliance standing for USDOT 556379

1 of 3 items needs the owner's attention

MCS-150 filing Filed May 2025
Safety rating Conditional
Operating authority MC431866

Company overview

Awaiting owner confirmation

USDOT number: 556379
Operating authority: MC431866
Operation type: Interstate
Carrier classification: Private Property; Authorized For Hire
Power units: 50
Trucks / tractors: 43
Drivers: 35
CDL drivers: 35
Hazmat: Yes
Annual mileage reported: 750,000 (2025)
USDOT registered since: 1994
Last MCS-150 filing: May 2025
Safety rating: Conditional (February 2019)

Built from public registration records.

Cargo and services

Liquids and Gases; Machinery, Large Objects; Materials Of The Trade

DOT compliance requirements for Wt Byler Company Lp

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 556379. Check this company's MCS-150 deadline

Driver qualification files

With 35 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 (35 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