Explorer Systems / Applied Dynamics Inc. / EDI Mis Inc. / ACE Dental Software / Medical Office Software / Prodata Systems Inc. / Prime Dental Software / Robertson Associates Inc. / Open Dental Technologies / Excalibur Systems / Adstra Systems / Dentrix Dental Systems / Noteworthy Medical Systems / Palm Tree Systems / Automated Office Systems / ProBusiness Systems / Realtime Systems / Random Information Systems / Diamond Dental Software / Consolidated Pro Systems / Emdeon Business Services LLC / Healthware Inc. / eMedix (formerly Companion MedIMS Cortex Tech) Systems / Complete Medical Solutions LLC / BRS Computing Inc. / DSN Software Inc. / Input Optics Inc. / PerfectByte Systems Inc. / Office Computer Systems / Siemens Medical Solutions / ICE Dental Systems Systems Corporation / Medical Data Technologies / Systems Inc. / Prima Systems Inc. / /