We have been providing sales, rentals, repair, and service of environmental equipment and supplies since 1983. We sell by territory - depending on the product, and rent, repair, and service equipment nationwide. Our services include shopping via the web at www.geotechnical.net, personal shopper via our Tustin office at 1-800-524-9111 and speaking to Robert, Fred, or Connie, and rental equipment - either by shipping it to your door or pick-up at our rental desk in Tustin CA.