The key players of the smart building market areCisco Systems Inc. (US)
ABB Group(Switzerland)
IBM Corporation(US)
Honeywell International Inc. (US)
Siemens AG (Germany)
Control4 Corporation (US)
Emerson Electric Co (US)
Schneider Electric (France)
United Technologies Corporation (US)
Johnson Controls International PLC (US)
and Legrand SA (France) among others.