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Top 7 Companies in Oklahoma

ONEOK, Inc.
ONEOK, Inc. is a diversified energy company. The Company is a natural gas distributor in Oklahoma, Kansas and Texas, providing service as a regulated public utility to wholesale and retail customers. The Company’s major distribution markets include Oklahoma City and Tulsa, Oklahoma; Kansas City, Wichita, and Topeka, Kansas, and Austin and El Paso, Texas. Its energy... (More)
Devon Energy Corporation
Devon Energy Corporation (Devon), together with its subsidiaries, is an independent energy company engaged primarily in exploration, development and production of natural gas and oil. The Company’s oil and gas operations are concentrated in various North American onshore areas in the United States and Canada. It has offshore operations that are situated principally in the Gulf of Mexico and regions located offshore... (More)
Williams Companies, Inc.
The Williams Companies, Inc. (Williams) is a natural gas company. The Company primarily finds, produces, gathers, processes and transports natural gas. Its operations are concentrated in the Pacific Northwest, Rocky Mountains, Gulf Coast, Eastern Seaboard, and the province of Alberta in Canada. As of December 31, 2009, the Company operated in five segments: Exploration & Production,... (More)
Chesapeake Energy Corporation
Chesapeake Energy Corporation (Chesapeake) is a producer of natural gas in the United States. It owns interests in approximately 44,100 producing natural gas and oil wells that are producing approximately 2.4 billion cubic feet equivalent (bcfe), per day, 93% of which is natural gas. The Company is focused on discovering,... (More)
OGE Energy Corp.
OGE Energy Corp. is an energy and energy services provider offering physical delivery and related services for both electricity and natural gas primarily in the south central United States. The Company conducts these activities through four business segments: electric utility, natural gas transportation and storage, natural gas gathering and processing and natural gas marketing. The electric utility... (More)
Helmerich & Payne, Inc.
Helmerich & Payne, Inc. is engaged in contract drilling of oil and gas wells for others. The contract drilling business is composed of three business segments: U.S. land drilling, offshore drilling and international land drilling. The United States drilling is conducted primarily in Oklahoma, California, Texas, Wyoming, Colorado, Louisiana,... (More)
Dollar Thrifty Automotive Group, Inc.
Dollar Thrifty Automotive Group, Inc. (DTG) is engaged in the business of the daily rental of vehicles to business and leisure customers through company-owned stores. The Company also sells vehicle rental franchises worldwide and provides sales and marketing, reservations, data processing systems, insurance and other services to franchisees. The Company has two additional subsidiaries, Rental Car... (More)

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Oklahoma Industries

Advertising, Aerospace and Defense, Air Courier, Airlines, Apparel and Accessories, Appliance and Tool, Audio and Video Equipment, Auto and Truck Manufacturers, Auto and Truck Parts, Beverages (Alcoholic), Beverages (Non-Alcoholic), Biotechnology and Drugs, Broadcasting and Cable Television, Business Services, Casinos and Gaming, Chemical Manufacturing, Chemicals - Plastics and Rubber, Coal, Commercial Banks, Communications Equipment, Communications Services, Computer Hardware, Computer Networks, Computer Peripherals, Computer Services, Computer Storage Devices, Construction - Raw Materials, Construction - Supplies and Fixtures, Construction and Agriculture Machinery, Construction Services, Consumer Financial Services, Containers and Packaging, Crops, Electric Utilities, Electronic Instruments and Controls, Engineering Consultants, Fabricated Plastic and Rubber, Fish and Livestock, Food Processing, Footwear, Forestry and Wood Products, Furniture and Fixtures, Gold and Silver, Healthcare Facilities, Hotels and Motels, Insurance (Accident and Health), Insurance (Life), Insurance (Miscellaneous), Insurance (Property and Casualty), Investment Services, Iron and Steel, Jewelry and Silverware, Medical Equipment and Supplies, Metal Mining, Miscellaneous Capital Goods, Miscellaneous Fabricated Products, Miscellaneous Financial Services, Miscellaneous Transportation, Mobile Homes and RVs, Motion Pictures, Natural Gas Utilities, Nonclassifiable Industries, Non-Metallic Mining, Office Equipment, Office Supplies, Oil and Gas Operations, Oil Well Services and Equipment, Paper and Paper Products, Personal and Household Products, Personal Services, Photography, Printing and Publishing, Printing Services, Public Sector and Government, Railroads, Real Estate Operations, Recreational Activities, Recreational Products, Rental and Leasing, Restaurants, Retail (Apparel), Retail (Catalog and Mail Order), Retail (Department and Discount), Retail (Drugs), Retail (Grocery), Retail (Home Improvement), Retail (Specialty), Retail (Technology), S&Ls/Savings Banks, Schools, Scientific and Technical Instruments, Security Systems and Services, Semiconductors, Software and Programming, Textiles - Non Apparel, Tires, Tobacco, Trucking, Waste Management Services, Water Transportation, Water Utilities

Top 7 Companies in Oklahoma

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