Hill-Rom Holding Inc.
Ascom Holding
Johnson Controls (Tyco)
Rauland-Borg Corporation
Stanley Healthcare
CARECOM Co. Ltd
Critical Alert Systems LLC
Aid Call
Static Systems Group Plc
Shandong Yarward Electronics
IndigoCare
Azure Healthcare Limited
Schrack Seconet AG
TekTone Sound & Signal Mfg. Inc.
Jeron Electronic Systems Inc.
West-Com Nurse Call Systems Inc.
LonBon Technology
Beijing Xinfeng Nangle Technology
Shenzhen Xin De Liang Electronics