Penn Fire Protection designs, installs and maintains automatic fire sprinkler systems for residential and commercial buildings across nine states within a three-hour radius of its Pennsylvania base. It publishes a full schedule of state licences including Delaware FSL-0214, Maryland MSC108, New Jersey P01337 and West Virginia WV045774, and states that it employs dedicated NICET Level IV design staff. The firm also performs inspections and backflow prevention work and has more than thirty field employees.