Apache is an independent energy company that explores for, develops, and produces natural gas, crude oil, and natural gas liquids. The company had exploration and production operations in United States, Egypt, and offshore United Kingdom in the North Sea. The company also has exploration interests in Suriname. The company markets its United States crude oil production to main oil companies, marketing, and transportation companies, and refiners based on a West Texas Intermediate price or other regional pricing indices. The company has two international regions: The Egypt includes onshore conventional assets in Egypt's Western Desert. The North Sea region includes offshore assets based in United Kingdom.

Atmos Energy is engaged in the regulated natural gas distribution and pipeline and storage businesses. The company delivers natural gas through regulated sales and transportation arrangements to residential, commercial, public-authority and industrial customers. The company's segments are: Distribution, which is comprised of its regulated natural gas distribution and related sales operations; and Pipeline and Storage, which consists of the pipeline and storage operations of its Atmos Pipeline-Texas Division (APT) and its natural gas transmission operations in Louisiana. APT has intrastate pipeline operations in Texas with a focus on the natural gas-producing areas of central, northern and eastern Texas.

CF Industries Holdings is a global fertilizer and chemical company. The company's principal nitrogen fertilizer products are anhydrous ammonia, granular urea, urea ammonium nitrate solution and ammonium nitrate. The company's other nitrogen products include diesel exhaust fluid, urea liquor, nitric acid and aqua ammonia, which are sold primarily to its industrial customers, and compound fertilizer products, which are solid granular fertilizer products for which the nutrient content is a combination of nitrogen, phosphorus, and potassium. The company serves its customers in North America through its production, storage, transportation and distribution network.

Cimarex Energy is an independent oil and gas exploration and production company. The company's operations are mainly located in Texas, New Mexico, and Oklahoma. The company's operations are focused in two main areas: the Permian Basin and the Mid-Continent. The company's Permian Basin region encompasses west Texas and southeast New Mexico. The company's Mid-Continent region consists of Oklahoma and the Texas Panhandle.

CVR Partners owns, operates, and grows its nitrogen fertilizer business. The company produces and distributes nitrogen fertilizer products, which are used by farmers to improve the yield and quality of their crops. The company's main products are ammonia and urea ammonium nitrate (UAN), an aqueous solution of urea and ammonium nitrate used as a fertilizer. The company's products are sold on a wholesale basis. The company produces nitrogen fertilizer products at two manufacturing facilities, which are located in Coffeyville, KS and East Dubuque, IL. The company primarily markets UAN products to agricultural customers and ammonia products to agricultural and industrial customers.

Diamondback Energy is an independent oil and natural gas company focused on the acquisition, development, exploration and exploitation of unconventional, onshore oil and natural gas reserves in the Permian Basin in West Texas. The company's activities are primarily focused on horizontal development of the Spraberry and Wolfcamp formations of the Midland Basin and the Wolfcamp and Bone Spring formations of the Delaware Basin, both of which are part of the larger Permian Basin in West Texas and New Mexico.

Energen is an oil and natural gas exploration and production company engaged in the exploration, development and production of oil, natural gas liquids and natural gas. The company's operations are conducted through its subsidiary, Energen Resources Corporation and primarily occur within the Midland Basin, the Delaware Basin and the Central Basin Platform areas of the Permian Basin in west Texas and New Mexico. The company's operations focus on increasing production and adding proved reserves through the development of oil, natural gas liquids and natural gas properties. In addition, the company explores for and develops new reservoirs, primarily in areas in which it has an operating presence.

Entergy is a holding company. Through its subsidiaries, the company is an integrated energy company engaged mainly in electric power production and retail distribution operations. The company owns and operates power plants. The company has two segments: Utility, which generates, transmits, distributes and sells electric power to retail and wholesale customers in Arkansas, Louisiana, Mississippi, and Texas; and Entergy Wholesale Commodities, which includes the ownership, operation, and decommissioning of nuclear power plants, located in the northern United States, the sale of the electric power produced by its operating plants to wholesale customers, and also provides services to other nuclear power plant owners.

Lamb Weston Holdings is a producer, distributor, and marketer of frozen potato products. French fries represent the majority of the company's frozen potato product portfolio. The company's segments include: Global, which includes branded and private label frozen potato products sold in North America and international markets; Foodservice, which includes branded and private label frozen potato products sold throughout the U.S. and Canada; Retail, which includes consumer facing retail branded and private label frozen potato products sold primarily to grocery, mass merchants, club, and specialty retailers; and Other, which includes the company's vegetable and dairy businesses.

Lancaster Colony is a manufacturer and marketer of food products for the retail and foodservice channels. Within its Retail segment, the primary food products the company manufactures and sells include: frozen garlic breads; frozen Parkerhouse style yeast rolls and dinner rolls; salad dressings; vegetable dips and fruit dips; flatbread wraps and pizza crusts; sprouted grain bakery products; salad dressings; and croutons and salad toppings. Within its Foodservice segment, the primary food products the company manufactures and sells include: salad dressings; frozen garlic breads; frozen Parkerhouse style yeast rolls and dinner rolls; and frozen pasta.

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.

Mosaic is a producer and marketer of concentrated phosphate and potash crop nutrients. The company is organized into three reportable business segments: Phosphates, which owns and operates mines and production facilities in Florida that produce concentrated phosphate crop nutrients and phosphate-based animal feed ingredients, and processing plants in Louisiana that produce concentrated phosphate crop nutrients; Potash, which mines and processes potash in Canada and the United States and sells potash in North America and internationally; and Mosaic Fertilizantes, which produces and sells concentrated phosphates crop nutrients, phosphate-based animal feed ingredients and potash fertilizer.

Murphy Oil is a holding company. Through its subsidiaries, the company is an oil and natural gas exploration and production company. The company explores for and produces crude oil, natural gas and natural gas liquids worldwide. The company's principal exploration and production activities are conducted in United States by wholly owned Murphy Exploration & Production Company - USA and its subsidiaries, in Canada by wholly-owned Murphy Oil Company Ltd. and its subsidiaries, and in Australia, Brazil, Brunei, Mexico and Vietnam by wholly-owned Murphy Exploration & Production Company - International and its subsidiaries. The company's hydrocarbon production is in United States, Canada and Brunei.

OGE Energy is a holding company. Through its subsidiaries, the company is an energy and energy services provider providing physical delivery and related services for both electricity and natural gas primarily in the south central United States Co. conducts these activities through two business segments: electric utility, which generates, transmits, distributes and sells electric energy in Oklahoma and western Arkansas; and natural gas midstream operations, which consist of the company's investment in Enable Midstream Partners, LP, which is primarily engaged in the business of gathering, processing, transporting and storing natural gas.

Parsley Energy is a holding company. Through its subsidiaries, the company is an independent oil and natural gas company focused on the acquisition, development, exploration and production of unconventional oil and natural gas properties in the Permian Basin. The Permian Basin is located in West Texas and southeastern New Mexico. The company's properties are located in two sub areas of the Permian Basin, the Midland and Delaware Basins, where the company focuses on horizontal development drilling.

Post Holdings is a consumer packaged goods holding company. The company's segments are: Post Consumer Brands, which manufactures, markets and sells branded and private label ready-to-eat (RTE) cereal and hot cereal products; Weetabix, which markets and distributes branded and private label RTE cereal products; Foodservice, which produces and distributes egg and potato products; Refrigerated Retail, which produces and distributes side dishes, eggs and egg, cheese, sausage and other refrigerated products; and BellRing Brands, which markets and distributes ready-to-drink protein shakes, other RTD beverages, powders, nutrition bars and supplements in the nutrition category.

Vistra Energy operates an integrated retail and generation business in markets throughout the U.S. Through its subsidiaries, the company is engaged in electricity market activities, including electricity generation, wholesale energy sales and purchases, commodity risk management and retail sales of electricity. The company has six segments: Retail, ERCOT, PJM, NY/NE (comprising NYISO and ISO-NE), MISO and Asset Closure. The Retail segment is engaged in retail sales of electricity and related services. The ERCOT, PJM, NY/NE and MISO segments are engaged in electricity generation, among others. The Asset Closure segment is engaged in the decommissioning and reclamation of retired plants and mines.

WPX Energy is an independent oil and natural gas exploration and production company engaged in the exploitation and development of long-life unconventional properties. The company is focused on exploiting, developing and growing its oil positions in the Delaware Basin (a subset of the Permian Basin) in Texas and New Mexico and the Williston Basin in North Dakota.