About Us

Harris is the largest petroleum bulk carrier in the U.S. Northwest, serving Oregon, Washington, Idaho, Arizona, and Colorado. Harris' exclusive focus on petroleum product hauling has made it number one in its market in both size and service. With its corporate office in Portland, OR, Harris operates from ten strategic locations using state-of-the-art hauling equipment.

Its customers are major oil companies, hypermarkets and wholesale/retail distributors of petroleum products. These multi-regional companies require a multi-regional carrier that can quickly and dependably service their requirements.

The company utilizes a centralized dispatch system and leading information technology to provide one-stop shopping for all deliveries. It also offers its customers such value added services as: inventory management, keep-full service, on time and accurate product delivery, experienced and professional drivers and accurate and timely billing data.

Harris Transportation Company, LLC, was formed in 1998 as a joint venture between two long-established and respected family-run bulk trucking companies: Harris Transport of Portland, OR, founded in 1928, and Trimac Transportation, founded in 1948. The merger created a well-financed company with the size and experience to meet a wide range of customer needs over an expanded geographical area.


110 modern tanker units, truck mounted tanks, pull trailers and semi trailers.
Maximum hauling capacity: 11,500 gallons of gasoline.