Good luck buying an industrial robot right now. Anecdotal maybe, but from my personal experience all top 3 players are experiencing supply shortages due to strong demand.
https://roboticsandautomationnews.com/2015/07/21/top-8-indus...
1. Fanuc
2. Yaskawa
3. ABB
4. Kawasaki
The first one mostly has openings in Michigan, concerning machine vision and embedded NN -- from what I can tell.