Seaboard Transport


The Seaboard Transport Group is a privately-held organization comprised of numerous transport brands across Canada and the United States. The organization will be celebrating its 50th year in business in 2014. Seaboard is a recognized leader in the Bulk Truckload Industry through its safe, reliable and professional operating philosophy. The Seaboard Transport Group has grown by providing excellent service to both the petroleum and chemical industries while diverging into dedicated transport services.

Operating Divisions

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    G3 Transport

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    AJ Weigand

    A.J. Weigand Inc. has been dedicated to providing safe, reliable, and professional service for over 80 years.

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    R&G Transport

    ​R&G Transport Ltd. has been a leader in the Saskatchewan transportation industry since its inception in 1962.

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    Wiebe Transport

    Wiebe Trucking, the forerunner to Wiebe Transport Ltd, was founded in 1968 by Jake Wiebe.

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    Mantei’s Transport

    Mantei’s Transport is one of Alberta’s prominent transportation companies specializing in transportation of refined petroleum.

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    Harmac Transportation

    ​Since its inception, Harmac Transportation has maintained an operating philosophy of Safety, Quality and Professional service.

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    Seaboard Transport - Moncton

    Seaboard Transport Group understands your highway transportation needs

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    Seaboard Transport

    Seaboard Transport was incorporated in 1964 as Seaboard Liquid Carriers.

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    G.A. Foss Transport

    G.A. Foss Transport was built on a rich family culture and corporate history.

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Our Mission

Seaboard Transport Group of Companies, a diversified group of bulk truckload carriers, provides transportation systems and services for its customers through safe, reliable and professional performance.


Our Vision

Seaboard Transport Group of Companies will lead the North-American truckload transport and logistics market through:

  • The continuous improvement and management of sustainable quality and service programs to transport energy, chemical and other bulk products safely, including  Responsible Care
  • Innovative processes, that evolve with the marketplace, designed for accurate, on-time service and efficient dedicated transport systems
  • Utilizing logistical approaches to transporting truckload products to deliver the most cost-effective transportation solutions to our customers
  • Detailed performance and behaviour analysis of our driving staff driven by the use of industry-leading in-cab technology 


Our Values

Every employee plays an active role in ensuring that we work within the highest safety standards and guidelines. We all have an obligation and are empowered to ensure that we perform our job functions safely through proper training, performance management and communication.

The Seaboard Transport Group provides consistent and reliable services to our customers, employees and shareholders without jeopardizing our safety standards, risking damage to personal property or the environment while adhering to industry, legislative and customer compliance requirements. 

All employees and contractors display a high degree of professionalism in their interactions with internal and external stakeholders.  We will continue to develop and implement industry-leading performance programs in order to provide a superior experience to our customers.  Recognizing that our driving staff, maintenance staff and office staff are vital to our sustainability and growth; we will provide an exceptional working experience to all staff of the Seaboard Transport Group.


President’s Message

Welcome to the Seaboard Transport Group of Companies' website. I am excited to announce that we reached 50 year anniversary in 2014. I want to thank our employees, customers and supplier partners for making this milestone possible. The Seaboard Transport Group of companies has grown throughout the past 50 years with a hands on, engaged management style while continually gaining economies of scale through our acquisition strategies. We continue to emphasize safety as the key component of our operating strategy and will continue to do so moving forward.
Whether you are a new or existing customer looking for information on our services, a prospective employee searching for a career, a member of the public interested in learning more about our business or a current employee, I hope that you will find what you are looking for on our website.
Mark Shannon
President & COO