Yep 40 years experience, like others need to discuss fee.
There are many other here like Lee-mac, Tharwat, Maratovich, Ribarm, Pbe and more, if you go over to Autodesk forums even more who can do commercial work.
1 Where are you in the world
2 What industry are you in
3 In one paragraph what are you looking for.
This will help narrow down an appropriate skill set.