Johnson Controls; Honeywell International; United Technologies; Siemens; Halma?; Gentex; Robert Bosch; Hochiki?; Securiton AG?; Encore Fire Protection; Sterling Safety Systems; Fire Suppression Limited; Schrack Seconet AG; Napco security technologies; VFP Fire Systems; Siemens AG; Emerson Electric Co.; Bosch Security Systems; Tyco International Limited; Spectrex Inc.; Johnson Controls; General Monitors Inc.; Fire Suppression Limited; Schrack Seconet AG; Napco security technologies; VFP Fire Systems