Valve did final assembly for the steam controllers in the US. Not sure if that counts or not. It was shortly after the portal 2 launch and they did a slick vid

Valve did final assembly for the steam controllers in the US. Not sure if that counts or not. It was shortly after the portal 2 launch and they did a slick video of the process with portal music. https://www.youtube.com/watch?v=uCgnWqoP4MM https://www.youtube.com/watch?v=uCgnWqoP4MM