Motorola (1987)
– Originator of Six Sigma
– Developed the MAIC Methodology (M – Measure, A – Analyze, I – Improve, C – Control)

Allied Signal (1992)
– Extendes Six Sigma to Non manufacturing Process
– Include Process Maping ang Anaysis Tools

General Electric (1995)
– Added DEFINE stage to MAIC
– Applied Six Sigma in Product /Service Development (DFSS – Design for SIx Sigma) and Lean Production
– As a Leadership development program

Sony (2000)
– Developed a detail define methodology
– Incorporated Six Sigma into Business and Planning Process
– Promote Top down goal development & Critical Thinking

*from various sources