Von Otto Productions Inc, 1497 E Euclid Ave, Littleton, CO 80121, US

Terrasciences is a major supplier of software to the oil and gas exploration and production industry. The TerraStation II software line includes applications for petrophysics; geological cross section building; mapping; borehole image processing and interpretation; organic geochemical analysis of wireline logs; sonic waveform analysis; and synthetic seismograms. The company began in San Francisco in 1977 by selling computer based consulting services under the name Kendall Associates. It started providing consulting services and products for computer applications in the earth sciences in 1978 when Professor John Harbaugh began working with the company. Terrasciences maintains its corporate headquarters in Littleton, Colo.