Canadian Natural Resources is an independent crude oil and natural gas exploration, development and production company. Co.'s exploration and production operations are focused in North America, largely in Western Canada; the U.K. portion of the North Sea; and CA'te d'Ivoire, Gabon, and South Africa in Offshore Africa. Co. had total proved reserves of 5.71 billion barrels of oil equivalent. Co.'s gross proved crude oil, bitumen (thermal oil), synthetic crude oil and natural gas liquids reserves totaled 4.70 billion barrels and its gross proved natural gas reserves totaled 6,106.00 billion cubic feet.

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.

CenterPoint Energy owns interests in Enable Midstream Partners, LP. The company's subsidiaries own and operate electric transmission and distribution, electric generation and natural gas distribution facilities, supply natural gas to commercial and industrial customers and electric and natural gas utilities and provide underground pipeline construction and repair services, energy performance contracting and sustainable infrastructure services. The company's segments include: Houston Electric T&D, which consists of electric transmission and distribution services in the Texas Gulf Coast area; and Energy Services, which consists of non-rate regulated natural gas sales and services operations.

Consolidated Edison is a holding company. Through its subsidiaries, the company is engaged in provision of energy services. The company's subsidiaries include: Consolidated Edison Company of New York, Inc.'s principal business operations are its regulated electric, gas and steam delivery businesses; Orange & Rockland Utilities, Inc.'s principal business operations are its regulated electric and gas delivery businesses; Con Edison Clean Energy Businesses, Inc. develops, owns and operates renewable and energy infrastructure projects and provides energy-related products and services to wholesale and retail customers; and Con Edison Transmission, Inc. invests in electric and gas transmission projects.

Dominion Energy is a holding company. Through its subsidiaries , the company is engaged in producing and transporting energy. The company's operations are conducted through its subsidiaries: Virginia Electric and Power Company, which is a regulated public utility that generates, transmits and distributes electricity for sale in Virginia and North Carolina; and Dominion Energy Gas Holdings, LLC, which serves as the intermediate parent company for the company's Federal Energy Regulatory Commission-regulated interstate natural gas transmission pipeline and underground storage systems in the eastern and Rocky Mountain regions, as well as for the liquefied natural gas import/export and storage facility.

Duke Energy is a holding company. Through its subsidiaries, the company operates as an energy company. The company's segments include: Electric Utilities and Infrastructure, which provides retail electric service through the generation, transmission, distribution and sale of electricity to customers within the Southeast and Midwest regions of the United States; Gas Utilities and Infrastructure, which conducts natural gas operations, as well as owns, operates and has investments in various pipeline transmission and natural gas storage facilities; and Commercial Renewables, which acquires, develops, builds, operates and owns wind and solar renewable generation throughout the continental United States.

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.

Exelon is a utility services holding company engaged in the generation, delivery and marketing of energy through Exelon Generation Company, LLC and the energy distribution and transmission businesses through Commonwealth Edison Company, PECO Energy Company, Baltimore Gas and Electric Company, Potomac Electric Power Company, Delmarva Power & Light Company and Atlantic City Electric Company. Through its business services subsidiary Exelon Business Services Company, LLC, the company provides its subsidiaries with a variety of support services.

NextEra Energy is a holding company, engaged in electric power and energy infrastructure. The company has two principal businesses, Florida Power & Light Company (FPL) and NextEra Energy Resources, LLC (NEER). FPL is a rate-regulated electric utility engaged primarily in the generation, transmission, distribution and sale of electric energy in Florida. FPL provides service to its electric customers through a transmission and distribution system that links its generation facilities to its customers. NEER, through its subsidiaries, owns, develops, constructs, manages and operates electric generation facilities in wholesale energy markets primarily in the United States and Canada.

Regency Centers is a real estate company and self-administered and self-managed real estate investment trust. Regency Centers L.P. is the entity through which the company conducts substantially all of its operations and owns substantially all of its assets. The company's business consists of acquiring, developing, owning and operating income-producing retail real estate principally located in various markets in the United States.

Sempra Energy is an energy-services holding company. The company's segments are: San Diego Gas & Electric Company, which provides electric services and natural gas services in Southern California; Southern California Gas Company, which owns and operates a natural gas distribution, transmission and storage system that supplies natural gas in Southern California and portions of central California; Sempra Texas Utilities, which includes Oncor Electric Delivery Company LLC that provides electricity to consumers; Sempra Mexico, which develops, owns and operates, or holds interests in, energy infrastructure in Mexico; and Sempra LNG, which develops projects for the export of liquefied natural gas.

Sta. Lucia Land is a holding company. Through its subsidiaries, Co. is engaged in property development, housing construction, provision of marketing and advertising services, and mall operations.

WEC Energy Group is a holding company. Through its subsidiaries, the company provides regulated natural gas and electricity, and nonregulated renewable energy. The company's segments include: Wisconsin, which generates and distributes electric energy and provides retail natural gas distribution service; Illinois, which includes the natural gas utility operations; Electric Transmission, which owns, maintains, monitors, and operates electric transmission systems in Wisconsin, Michigan, Illinois, and Minnesota; and Non-Utility Energy Infrastructure, which owns and leases generating facilities to its Wisconsin Electric Power Company subsidiary and owns underground natural gas storage facilities in Michigan.

Xcel Energy is a regulated electric and natural gas delivery company which serves customers in mid-western and western states, including portions of Colorado, Michigan, Minnesota, New Mexico, North Dakota, South Dakota, Texas and Wisconsin. The company's reportable segments include: regulated electric utility, which generates, transmits and distributes electricity in Minnesota, Wisconsin, Michigan, North Dakota, South Dakota, Colorado, Texas and New Mexico; regulated natural gas utility, which transports, stores and distributes natural gas primarily in portions of Minnesota, Wisconsin, North Dakota, Michigan and Colorado; and other, which includes steam revenue and appliance repair services.