Kistler O’Brien Fire Protection was founded in 1933 for the purpose of selling and servicing portable fire extinguishers. As fire protection technology improved over the years, Kistler O’Brien, through acquisition and internal development, added new product offerings and capabilities to the mix. Today, Kistler O’Brien provides total capabilities in portable fire extinguishers, fire alarm and detection systems, as well as many types of fire suppression systems including FM-200, Novec, Inergen, CO2 and Foam. We manage all aspects of fire protection including design, installation, inspection, sales, maintenance and service. Kistler O’Brien is committed to helping customers protect their employees and their property while representing the best manufacturers in the industry.