Colfax Corporation is an American corporation manufacturing welding, air and gas handling equipment, and medical devices headquartered in Annapolis Junction, Maryland. Indexed on the NYSE, the company was originally founded as a spinoff from the American conglomerate Danaher Corporation. In 2011, Colfax acquired British Charter International PLC, which in turn owned Swedish ESAB . Both companies have since been wholly owned by Colfax. Further Colfax also acquired Allweiler . The company made its largest acquisition ever in November 2018, buying medical device company DJO Global for $3.15 billion. Colfax was founded in 1995 by Steven and Mitchell Rales.