Interface can take over the maintenance and monitoring of fire alarm systems that include components manufactured by the following vendors - Silent Knight, Fire-Lite, Farenhyt, Honeywell Vista, DMP, EST, u0026amp; Bosch. We are unable to take over the maintenance and service of proprietary fire alarm systems such as those installed by Simplex, Notifier, Siemans, Gamewell, FCI, Faraday, to name a few.