RTGX Training Services RTGX’s training solutions are centered on providing customers with knowledge solutions that increase the effectiveness, productivity and bottom line of organizations and their employees. RTGX’s training offerings include courses on IT Governance, Project and Portfolio Management Methodologies and Solutions, Capability Maturity Model Integrated (CMMI), Lean and Six Sigma, Introduction to Application Life Cycle Management Techniques, and An Introduction to Project and Portfolio Management using Clarity by Computer Associates.