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Tri-Valley Corporation is a Bakersfield, CA-based company in the Energy and Utilities sector.
ExxonMobil is a multinational oil and gas corporation engaged in the exploration, production, transportation, and sale of crude oil and natural gas, as well as the manufacture and sale of petroleum products and petrochemicals.
It produces, refines and markets oil products and provides engineering services, as well as licensing production technologies.
RKA Petroleum Companies is a Romulus, MI-based company in the Energy & Utilities sector.
Headquartered in Houston, Texas, Key Energy Services offers clients a comprehensive and advanced array of onshore energy production services. Our service offerings include workover, drilling, fluid management, frac stack and well testing, liner hanger systems, fishing and rental services, and consulting services. Key Energy Services is redefining the industry. We are using technology where none previously existed, building equipment with unmatched speed, quality and efficiency and training our people to excel. All this with one goal in mind: our customers` long-term success. Key is committed to developing the newest technologies while maintaining the highest standards of employee safety and training, all to provide customers with an unparalleled quality of service and value. Key Energy Services employs more than 8,500 people worldwide. The Company trades on the NYSE under the ticker symbol "KEG."