Cabot Oil & Gas is an independent oil and gas company engaged in the development, exploitation, exploration and production of oil and gas properties. The company operates in one segment, natural gas and oil development, exploitation, exploration and production, in the continental United States. The company's operations are primarily concentrated in one unconventional play—the Marcellus Shale in northeast Pennsylvania.

Cenovus Energy is in the business of development, production and marketing of crude oil, natural gas and natural gas liquids ("NGLs") in Canada with refining operations in the U.S. Co. operates in two business segments: Upstream, which includes Co.'s development and production of crude oil, NGLs in Canada, is organized into two operations: Oil sands and conventional; and Refining and Marketing, which is focused on the refining of crude oil products into petroleum and chemical products at two refineries located in the U.S. This segment also markets Co.'s crude oil and natural gas, as well as third-party purchases and sales of product.

CNO Financial Group is a holding company for a group of insurance companies. The company's Bankers Life segment underwrites, markets and distributes Medicare supplement insurance, interest-sensitive life insurance, life insurance, fixed annuities and long-term care insurance products. The company's Washington National segment underwrites, markets and distributes supplemental health and life insurance to middle-income consumers at home and at the worksite. The company's Colonial Penn segment markets primarily graded benefit and simplified issue life insurance directly to customers in the senior middle-income market through television advertising, direct mail, the internet and telemarketing.

EOG Resources, together with its subsidiaries, explores for, develops, produces and markets crude oil, natural gas liquids and natural gas primarily in main producing basins in the United States, The Republic of Trinidad and Tobago, The People's Republic of China, Canada and, from time to time, select other international areas.

Euronav is a provider of maritime shipping and offshore services engaged primarily in the transportation and storage of crude oil. As of Apr. 4, 2017, Co. owned and operated a modern fleet of 55 vessels (including four chartered-in vessels) with an aggregate carrying capacity of approximately 13.7 million deadweight tons, or dwt, consisting of 31 very large crude carriers, one ultra large crude carrier, 21 Suezmax vessels, and two floating, storage and offloading vessels. Co. has two operating segments: the operation of crude oil tankers on the international markets (tankers) and the floating production, storage and offloading operations.

Imperial Oil is an integrated oil company. Co. is active in all phases of the petroleum industry in Canada, including the exploration for, and production and sale of, crude oil and natural gas. In Canada, Co. is a producer of crude oil, natural gas and petroleum refiner and a marketer of petroleum products. Co. is also a producer of petrochemicals. As of Dec 31 2017, Co. had 1.57 billion barrels of oil-equivalent basis of net proved reserves, which consisted of 44.0 million barrels of liquids, 641.00 billion cubic feet of natural gas, 473.0 million barrels of synthetic oil, and 946.0 million barrels of bitumen.

Marathon Oil is an independent exploration and production company focused on the United States resource plays. The company also has international operations in Equatorial Guinea (E.G.). The company's segments are: United States, which explores for, produces and markets crude oil and condensate, natural gas liquids (NGLs) and natural gas in the United States; and International, which explores for, produces and markets crude oil and condensate, NGLs and natural gas outside of the United States as well as produces and markets products manufactured from natural gas, such as liquefied natural gas and methanol, in E.G.

Occidental Petroleum has three reporting segments: oil and gas, which explores for, develops and produces oil and condensate, natural gas liquids (NGL) and natural gas; chemical, which mainly manufactures and markets basic chemicals (chlorine, caustic soda, chlorinated organics, potassium chemicals, ethylene dichloride, chlorinated isocyanurates, sodium silicates and calcium chloride) and vinyls (vinyl chloride monomer, polyvinyl chloride and ethylene); and marketing and midstream, which purchases, markets, gathers, processes, transports and stores oil, condensate, NGL, natural gas, carbon dioxide and power.

Orion Group Holdings is a construction company in the building, industrial, and infrastructure sectors in the continental U.S., Alaska, Canada, and the Caribbean Basin. The company operates in two segments: marine, which operates under the Orion Marine Group brand and logo; and concrete, which operates under the TAS Commercial Concrete brand and logo. The company's marine construction services include construction, restoration, dredging, maintenance and repair of marine transportation facilities, marine pipelines, bridges and causeways, and marine environmental structures. The concrete segment provides its services in the following areas: light commercial, structural, and other services.

Encana is an energy producer that is focused on developing its multi-basin portfolio of oil, natural gas liquids (NGL) and natural gas producing plays. The company's reportable segments are: Canadian Operations, which includes the exploration for, development of, and production of oil, NGLs, natural gas and other related activities within Canada; USA Operations, which includes the exploration for, development of, and production of natural gas, oil and NGLs and other related activities within the U.S.; and Market Optimization activities are managed by the Midstream, Marketing & Fundamentals team, which is primarily responsible for the sale of the company's proprietary production to third party customers.

Pioneer Natural Resources is a holding company. Through its subsidiaries, the company is engaged in oil and gas exploration and production. The company explores for, develops and produces oil, Natural Gas Liquids and gas within the United States, with operations in the Permian Basin in West Texas. The company's portfolio of resources are located in the Spraberry/Wolfcamp oil field.

Quanta Services is a provider of contracting services, delivering infrastructure solutions for the electric power, energy and communications industries in the United States, Canada, Australia, Latin America and select other international markets. The company has two segments: Electric Power Infrastructure Services, which provides network solutions to customers in the electric power industry and services that support the development of renewable energy generation; and Pipeline and Industrial Infrastructure Services, which provides infrastructure solutions to customers involved in the development, transportation, distribution, storage and processing of natural gas, oil and other products.

Suncor Energy is an energy company. Co.'s operations include oil sands development and upgrading, onshore and offshore oil and gas production, petroleum refining, and product marketing under the Petro-Canada brand. Co.'s segments include: oil sands, which develop and produce synthetic crude oil and related products through the recovery and upgrading of bitumen; exploration and production, which include offshore activity, and the exploration and production of crude oil, natural gas, and natural gas liquids; and refining and marketing, which include the refining of crude oil products, and the distribution and marketing of these and other purchased products, as well as a lubricants plant.