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Dorchester Minerals, L.P. is a Dallas based owner of producing and non-producing crude oil and natural gas mineral, royalty, overriding royalty, net profits, and leasehold interests and its common units trade on the NASDAQ Global Select Market under the symbol DMLP.
Sunoco Inc. is an American petroleum and petrochemical manufacturer headquartered in Philadelphia, Pennsylvania, United States, formerly known as Sun Company Inc. (1886–1920 and 1976–1998) and Sun Oil Co. (1920–1976). Sunoco is one of the largest gasoline distribution companies in the United States, with Sunoco brand gasoline being sold in over 4,700 outlets spanning 26 states, just over a third hosting convenience stores.
Van Deurzen Associates PA is a Overland Park, KS-based company in the Energy and Utilities sector.
Goolsby Brothers & Assoc. is a Centennial, CO-based company in the Energy & Utilities sector.
Tri-Valley Corporation is a Bakersfield, CA-based company in the Energy and Utilities sector.