Not every computer sits in an air-conditioned office. General Dynamics Itronix makes rugged, portable computers that can withstand dust, water, vibrations, extreme temperatures, and gravity. Government and military personnel, field service workers, and public safety staff are among the customers that use the company's notebook and handheld computers. Products are sold on its website as well as through a network of resellers and distributors around the world, including CDWG, HP, and WAV. Besides parent company General Dynamics, customers include the FBI, Verizon, and all branches of the US military. Itronix, part of General Dynamics' C4 Systems, also has locations in Canada, France, Germany, Spain, Taiwan, and the UK.