Bluegate – IT outsourcing (publicly traded BGAT.OB)
Datalign – Hospital Data integration
Macro Enterprises – Medical Software Development and Consulting
Patriot Managed Care Solutions – Payor applications
Practice Insight – EDI systems
Prognosis Solutions – CCHIT certified EHR vendor
Smart Imaging – 3D imaging
SynSeer – Open Source Medical Software
Spring Medical – CCHIT certified EHR vendor
Swearingen Software – RIS
Telemedicus – Emergency response communications technology (publicly traded TMDI.PK)
Truewater – Health IT consulting (shameless self-promotion note: employees HITinHouston author Fred Trotter)