Latest Post Meet ORR Protection at RE+ 2026: Las Vegas, November 17-19
Meet ORR Protection at RE+ 2026: Advancing Battery Energy Storage Safety Join us in Las Vegas, November 17–19, at Booth W16530 for live demonstrations and...


Marioff was founded in 1985 with the mission of protecting people property, and business from fire, on land and at sea. Headquartered in Vantaa, Finland, Marioff currently employs about 400 people worldwide. Marioff is a global company, part of the Fire and Security Division of United Technologies Corporation (UTC).
The company’s background in marine and offshore high pressure hydraulics (the company’s name comes from MARIne and OFFshore) led to the development of a fire protection technology which makes use of the best attributes of a truly environmentally benign agent: water.
Marioff is the world’s leading supplier of water mist fire protection systems that designs, manufactures and supplies high pressure water mist fire protection systems under the HI-FOG brand name. Since its launch in 1991, HI-FOG has been earning a reputation for superior fire suppression performance, becoming the standard for water mist fire protection.
HI-FOG is the fire protection technology of choice across a diverse range of applications, backed by a dedicated team whose one aim is to provide customer satisfaction.
Latest Post Meet ORR Protection at RE+ 2026: Advancing Battery Energy Storage Safety Join us in Las Vegas, November 17–19, at Booth W16530 for live demonstrations and...
The modern data center is no longer a one-size-fits-all environment. As cloud computing, AI, edge computing, and digital infrastructure continue to evolve, organizations are building...
The fire and life safety industry is evolving and ORR Protection leaders are helping shape the conversation around what comes next. In a recent SDM...