FireDos develops and manufactures foam proportioning systems and extinguishing monitors used in fixed foam installations for tank farms, chemical plants, aircraft hangars and heavy industry, with many thousands of proportioners and monitors in service worldwide. Products carry VdS, FM Approvals and DNV certification, and the company operates ISO 9001 and ISO 14001 management systems alongside SCC safety certification. Around 150 staff work from Wölfersheim in Hessen.