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Originally founded in 1906 as an intrastate natural gas pipeline business in Oklahoma, ONEOK today is one of the largest energy midstream service providers in the U.S., connecting prolific supply basins with key market centers. Its business segments provide safe, reliable energy and services to diverse customers. It owns and operates one of the nation`s premier natural gas liquids (NGL) systems and is a leader in the gathering, processing, storage and transportation of natural gas. ONEOK`s operations include a 38,000-mile integrated network of NGL and natural gas pipelines, processing plants, fractionators and storage facilities in the Mid-Continent, Williston, Permian and Rocky Mountain regions. ONEOK`s success is driven by employees who strive to better not only their company but also the communities in which they live. ONEOK is a FORTUNE 500 company and is included in Standard & Poor`s (S&P) 500 Stock Index.
Aera Energy LLC (Aera) is one of California’s largest oil and gas producers, accounting for about 25 percent of the state’s production. With headquarters in Bakersfield, most of Aera’s production is centered in the San Joaquin Valley. The company also has oil field operations in the L.A. Basin and in Ventura and Monterey Counties. Aera produces approximately 148,000 barrels of oil and 42 million cubic feet of natural gas each day and has proved oil and gas reserves equivalent to approximately 756 million barrels of oil. Aera is the number one privately-held oil and natural gas company in the nation. The work force needs of Aera are provided by Aera Energy Services Company (Aera Services), a Delaware corporation. Aera and Aera Services provide employment for more than 1,200 people and hundreds of contractor companies. The company, which began operating as Aera Energy LLC on June 1, 1997, consists of the California onshore and offshore exploration and production (E&P) assets previously operated by CalResources LLC (a former Shell Oil Company affiliate), Mobil Exploration & Producing U.S. Inc. (now an Exxon Mobil Corporation affiliate), and ARCO. Today Aera is jointly owned by Shell and ExxonMobil and is operated as a stand-alone company through its own board of managers (directors). The California-based refining, retail petroleum marketing and pipeline operations of Shell and ExxonMobil are not included in Aera.
Americawest Energy Services is a Midland, TX-based company in the Energy and Utilities sector.
Perfection Oil Co., Inc. is a Dubuque, IA-based company in the Energy and Utilities sector.
Seaboard Wellhead Inc is a Denver, CO-based company in the Energy and Utilities sector.