Alliance Resource Partners is a natural resource company. The company is a coal producer in the eastern United States. The company markets its coal production to main domestic and international utilities and industrial users. The company has two reportable segments: Illinois Basin, which comprises of multiple operating segments, including operating mining complexes Webster County Coal's Dotiki mining complex, Gibson County Coal's mining complex, River View's mining complex and the Hamilton mining complex; and Appalachia, which comprises of multiple operating segments, including the Mettiki mining complex, the Tunnel Ridge mining complex, the MC Mining mining complex and the Penn Ridge property.

Arch Coal is a coal producer. The company's main business is the production of thermal and metallurgical coal from surface and underground mines located throughout the United Staets, for sale to utility, industrial and steel producers both in the United States and around the world. The company's segments are based on two lines of business, metallurgical coal and thermal coal, and may include a number of mine complexes. The company's segments are: the Powder River Basin, containing primary thermal operations in Wyoming; the Metallurgical, containing metallurgical operations in West Virginia; and the Other Thermal, containing supplementary thermal operations in Colorado and Illinois.

Cameco and its subsidiaries are engaged in the exploration for and the development, mining, refining, conversion and fabrication of uranium for sale as fuel for generating electricity in nuclear power reactors in Canada and other countries. Co. has three reportable segments: uranium, which explores for, mines, mills, purchases, and sells uranium concentrate; fuel services, which refines, converts and fabricates uranium concentrate, and purchases and sells conversion services; and electricity, which generates and sells electricity through its 31.6% interest in the Bruce Power Limited Partnership, which operates four nuclear reactors and manages the overall site in southern Ontario.

Centrus Energy is a supplier of nuclear fuel and services for the nuclear power industry. The company operates two business segments: low-enriched uranium (LEU), which supplies various components of nuclear fuel to utilities; and contract services, which provides engineering, design, and manufacturing services to government and private sector customers. The company's LEU business involves the sale of low-enriched uranium, its components, and natural uranium to utilities operating commercial nuclear power plants. LEU is a component in the production of nuclear fuel for reactors that produce electricity. The company supplies LEU to both domestic and international utilities for use in nuclear reactors.

CVR Energy is a holding company. The company is engaged in the petroleum refining and nitrogen fertilizer manufacturing industries through its holdings in CVR Refining, LP (CVR Refining) and CVR Partners, LP (CVR Partners). CVR Refining is an independent petroleum refiner and marketer of transportation fuels. CVR Partners produces and markets nitrogen fertilizers in the form of urea ammonium nitrate and ammonia. The company's segments include: Petroleum, which includes refineries located in Coffeyville, KS and Wynnewood, OK and supporting logistics assets in the region; and Nitrogen Fertilizer, which includes nitrogen fertilizer manufacturing facilities located in Coffeyville, KS and East Dubuque, IL.

Delek US Holdings is a holding company. Through its subsidiaries, the company is engaged in the downstream energy business focused on petroleum refining, the transportation, storage and wholesale distribution of crude oil, intermediate and refined products and convenience store retailing. The company's segments are: refining, which processes crude oil and other feedstocks for the manufacture of transportation motor fuels; logistics, which gathers, transports and stores crude oil and markets, distributes, transports and stores refined products; and retail, which includes the operations of Alon USA Energy, Inc.'s convenience store sites located primarily in central and West Texas and New Mexico.

Energy Fuels is engaged in uranium mining, milling, development, and exploration with operating uranium mines, mines on standby, development projects and exploration properties located in the United States. Co.'s assets include its 100% ownership of the White Mesa Mill in Utah. Co. also produces vanadium as a co-product from some of its mines in Colorado and Utah. In addition, Co. recycles uranium-bearing waste materials, referred to as "alternate feed materials", for the recovery of uranium, alone or in combination with other metals, at its White Mesa Mill.

Madison Pacific Properties is engaged in owning, developing and operating industrial and commercial real estate properties located in British Columbia. As of Dec 31 2010, Co.'s property portfolio was comprised of interests in 1,152,358 sq. ft. of net rentable area of industrial properties, 190,383 sq.ft. of net rentable area of retail/highway commercial properties, and 59,080 sq.ft. of net rentable area of office property for a combined total of 1,401,821 sq. ft.

PBF Energy is a holding company. Through its subsidiaries, the company is engaged as an independent petroleum refiner and supplier of unbranded transportation fuels, heating oil, petrochemical feedstocks, lubricants and other petroleum products in the U.S. The company operates in two business segments: refining, which the company produces a variety of products at each of its refineries such as gasoline, ultra-low-sulfur diesel, heating oil, jet fuel, lubricants, petrochemicals and asphalt; and logistics, which through its PBF Logistics LP subsidiary, the company owns or leases, operates, develops and acquires crude oil and refined petroleum products terminals, pipelines, storage facilities and similar logistics assets.

Phillips 66 is an energy manufacturing and logistics company with midstream, chemicals, refining, and marketing and specialties businesses. The company's segments include: Midstream, which provides crude oil and refined petroleum product transportation, terminaling and processing services, as well as natural gas and natural gas liquids transportation, storage, processing and marketing services; Chemicals, which manufactures and markets petrochemicals and plastics on a worldwide basis; Refining, which refines crude oil and other feedstocks into petroleum products; and Marketing and Specialties, which purchases for resale and markets refined petroleum products, mainly in the United States and Europe.

Uranium Energy is engaged in uranium mining and related activities, including exploration, pre-extraction, extraction and processing, on uranium projects located in the United States and Paraguay. The company utilizes in-situ recovery (ISR) mining, which involves circulating oxidized water through an underground uranium deposit, dissolving the uranium and then pumping the uranium-rich solution to the surface for processing. The company has one uranium mine located in the State of Texas, the Palangana Mine, which utilizes ISR mining and has commenced extraction of uranium oxide, or yellowcake. The company has one uranium processing facility located in the State of Texas, the Hobson Processing Facility.

Valero Energy is an international manufacturer and marketer of transportation fuels and petrochemical products. The company's segments include: Refining, which includes its refining operations, the associated marketing activities, and logistics assets that support its refining operations; Ethanol, which includes its ethanol operations, the associated marketing activities, and logistics assets that support its ethanol operations; and Renewable Diesel, which includes the operations of its joint ventture, Diamond Green Diesel Holdings LLC, which owns and operates a renewable diesel plant in Norco, LA.

Warrior Met Coal is a holding company. Through its subsidiaries, the company is a producer and exporter of met coal. The company sells its coal product to steel producers in Europe and South America. The company's mining operations consist of two underground met coal mines in Southern Appalachia's coal seam (Mines No. 7 and No. 4) and other surface met and thermal coal mines. The company's natural gas operations remove and sell natural gas from the coal seams owned or leased by the company and others as a byproduct of coal production. The company's degasification operations improve mining operations and safety by reducing natural gas levels in its mines. The company also owns mineral rights for recoverable reserves at its Blue Creek Energy Mine.