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Mitcham Industries, Inc. provides technology to the oceanographic, hydrographic, defense, seismic and security industries. Headquartered in Huntsville, Texas, Mitcham has a global presence with operating locations in the United States, Canada, Australia, Singapore, Russia, Hungary, Colombia and the United Kingdom. Mitcham`s worldwide Marine Technology Products segment, which includes its Seamap and Klein Marine Systems units, designs, manufactures and sells specialized, high performance, marine sonar and seismic equipment. Seamap`s products include the industry-leading GunLink seismic source acquisition and control systems, SeaLink acoustic sensor and towed streamer systems, and BuoyLink RGPS tracking systems. Klein is widely recognized as the world`s leading supplier of side scan sonar equipment. Through its Equipment Leasing segment, Mitcham believes it is the largest independent provider of exploration equipment to the seismic industry.
Enertech Inc is a Hawthorne, NJ-based company in the Energy and Utilities sector.
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.
Keller Supply Inc is a Shreveport, LA-based company in the Energy and Utilities sector.
Virginia Gas Co is a Abingdon, VA-based company in the Energy and Utilities sector.