Ansul is a brand of Tyco Fire & Security s fire suppression business unit. The full-line of Ansul special hazard fire protection products includes fire extinguishers and hand line units; pre-engineered restaurant, vehicle, and industrial systems; sophisticated fire detection and suppression systems; and a complete line of dry chemical, foam and gaseous extinguishing agents. Ansul brand products can be found underground, off shore, aboard a variety of vessels, in the kitchen, in manufacturing facilities, at the office, roadside and in the air. Ansul products are developed and tested at the Ansul Fire Technology Center, one of the most extensive fire research and testing facilities in the world. The company is located in Marinette, Wis.