Kistler O'Brien Fire Protection

About Us

Kistler O'Brien Fire Protection is a full-service commercial fire protection company serving eastern Pennsylvania, New Jersey, and Delaware. With offices located in Reading, Bethlehem, and Paoli, Kistler O'Brien has over 200 employees working daily to protect people and property. KOB boasts over 90 years of experience in life safety, offering design, installation, inspection, maintenance, and repair services. From fire extinguishers, fire alarms, to suppression and sprinkler systems, KOB can be fire safety partner for any business.