Western Data Systems

Western Data Systems (WDS) and Martin Instrument merged and are now AllTerra Central. The combined staff focuses on bringing Trimble Optical, GNSS and GIS solutions and complete field supply availability to the Surveying, Mapping, Marine, Engineering and Construction markets across Texas and Oklahoma. The Management team is headed up by Bobby Hempfling as President and Mike Minick as Vice President, with continued operation supported by the all the great employees of both companies. The new AllTerra Central is headquartered in Austin, TX, with locations in Houston, Dallas/Ft Worth, San Antonio, McAllen, Oklahoma City and Midland/Odessa. AllTerra Central provides sales of both new and used equipment, service centers to repair that equipment, and rental/leasing services to various industries/municipalities. Additionally, it operates the most complete VRS network in TX, OK and NM, and will continue to serve customers with a robust online solution - allowing easy access to products, services, and information to everyone. Visit