While improvement methods such as six sigma and lean have been around for decades - its still surprising to see that many still see such activities relating primarily to manufacturing. Processes are the same the world over - they have an input, activity and output.
Improvement methods can therefore be applied to anything from using Lean in the office, Lean in the supply chain through to The Application of Lean Thinking In Healthcare - The tools that lean provides can be used in virtually all businesses - unfortunately waste is everywhere but the good thing is whatever your business there are plenty of tools that can help that are widely avilable