Veterans served this country proudly, and Calgon Carbon is proud to work with work with Veterans as they transition out of the services and pursue civilian careers. Calgon Carbon got its start in 1942, working with the U.S. government to develop and supply high quality impregnated activated carbon for personal and collective protection. Today, armed forces for the U.S. and NATO still rely on Calgon Carbon to safeguard first responders and military personnel against homeland threats. Calgon Carbon offer.