The Hiller Companies

About

The Hiller Companies, based in O'Fallon, Missouri, provides comprehensive fire suppression services including inspection, testing, repair, design, and monitoring across diverse system types. The company services wet pipe, dry pipe, pre-action, deluge, FM-200, CO2, foam, kitchen hood suppression, clean agent, special hazard, and standpipe systems for restaurants, healthcare facilities, data centers, warehouses, manufacturing plants, schools, hospitality venues, retail locations, government buildings, and residential properties. The Hiller Companies maintains 24/7 emergency availability to support clients across multiple industries.