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Canadian National Railway Company, together with its subsidiaries, engages in the rail, intermodal, trucking, and marine transportation and logistics business in Canada and the United States. The company provides rail services, which include equipment, custom brokerage services, transloading and distribution, business development and real estate, and private car storage services; and intermodal services, such as temperature controlled cargo, port partnerships, and logistics parks. It offers trucking services, such as door-to-door services, import and export dray, interline services, and specialized services, comprising flatbed trucks, on-deck mobile transport trays, expedited cargo, and permit/overweight services; and supply chain services. It serves automotive, coal, fertilizers, temperature controlled cargo, forest products, dimensional, grain, metal and minerals, petroleum and chemicals, consumer goods, and third party logistics applications. The company operates a rail network of approximately 20,000 route-miles of track and shipping spanning. Canadian National Railway Company was incorporated in 1919 and is headquartered in Montreal, Canada.

Energen Corporation, through its subsidiary, Energen Resources Corporation, engages in the exploration, development, and production of oil, natural gas liquids, and natural gas. The company has operations within the Midland Basin, the Delaware Basin, and the Central Basin Platform areas of the Permian Basin in west Texas and New Mexico. As of December 31, 2017, it had a total proved reserves of 444 million barrel of oil equivalent. The company was founded in 1929 and is headquartered in Birmingham, Alabama.

Intelligent Highway Solutions, Inc. provides transportation technology services that enable vehicles, roads, traffic lights, message signs, and other elements. It intends to develop transportation technology services that enable vehicles, roads, traffic lights, message signs and other elements to become intelligent by embedding them with microchips and sensors and by empowering them to communicate with each other via wireless technologies. The company was founded by Philip Darcy Kirkland and William Devon Jones on April 22, 2011 and is headquartered in Ell Grove, CA.

Aurizon Holdings Limited, through its subsidiaries, operates as a rail freight operator in Australia. The company operates through Network, Coal, Bulk, and Other segments. It transports various commodities, including mining, agricultural, industrial, and retail products; and retail goods and groceries across small and big towns, and cities, as well as coal and iron ore. The company also operates and manages the Central Queensland Coal Network that consists of 2,670 kilometers of track network; and provides various specialist services, such as rail design, engineering, construction, management, and maintenance, as well as supply chain solutions. It serves miners, primary producers, and the industry. The company was formerly known as QR National Limited and changed its name to Aurizon Holdings Limited in December 2012. The company was incorporated in 2010 and is headquartered in Fortitude Valley, Australia.

TETRA Technologies, Inc., together with its subsidiaries, operates as an energy services and solutions company. It operates through two segments, Completion Fluids & Products Division and Water & Flowback Services. The Completion Fluids & Products segment manufactures and markets clear brine fluids, additives, and associated products and services to the oil and gas industry for use in well drilling, completion, and workover operations in the United States, as well as in Latin America, Europe, Asia, the Middle East, and Africa. This segment also markets liquid and dry calcium chloride products; and TETRA PureFlow ultra-pure zinc bromide to battery technology companies. The Water & Flowback Services segment provides water management services for onshore oil and gas operators. This segment also offers frac flowback, production well testing, and other associated services in oil and gas producing regions in the United States, as well as in various basins in Latin America, Africa, Europe, and the Middle East. TETRA Technologies, Inc. was incorporated in 1981 and is headquartered in The Woodlands, Texas.