Mitcham Industries Inc., through its subsidiaries, leases, sells, and services equipment to the geophysical, oceanographic, and hydrographic industries worldwide. The company operates in two segments, Equipment Leasing, and Equipment Manufacturing and Sales. The Equipment Leasing segment leases seismic equipment for short-term primarily to seismic data acquisition contractors and oil field service providers. This segment also provides land equipment lease pool, including seismic recording land channels, geophones and cables, heli-picker equipment, batteries, and other peripheral equipment; marine seismic equipment lease pool comprising streamers, air guns, streamer-positioning equipment, energy source controllers, and other equipment; and downhole equipment lease pool that includes downhole seismic tools. In addition, it is involved in the sale of new seismic equipment of other manufacturers; and provision of equipment, consumables, systems integration, engineering hardware, and software maintenance support services to the seismic, hydrographic, environmental, and defense industries, as well as sale of used equipment from its lease pool. The Equipment Manufacturing and Sales segment designs, manufactures, and sells proprietary products. Its products include GunLink seismic source acquisition and control systems, which are designed to provide operators of marine seismic surveys with precise monitoring and control of energy sources; BuoyLink RGPS tracking systems that are used to offer precise positioning of seismic sources and streamers; Digishot energy source controllers; and Sleeve Gun energy sources. This segment also provides streamer weight collars, depth and pressure transducers, air control valves, and source array systems; spare and replacement parts; and repair services, engineering services, training, field service operations, and umbilical terminations. Mitcham Industries Inc. was founded in 1987 and is headquartered in Huntsville, Texas.