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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.
Tennessee Gas Pipeline Company (TGP) is an indirect wholly owned subsidiary of El Paso Corporation (El Paso). The CompanyÍs primary business consists of the interstate transportation and storage of natural gas. TGP conducts business activities through
Texon LP is one of the leading companies in the Energy & Utilities sector.
 It produces, refines and markets oil products and provides engineering services, as well as licensing production technologies.
Phillips Oil is a Crestview, FL-based company in the Energy and Utilities sector.