Quoted from oldschoolbob:Wolffpac makes kits. Cheap, easy to build and work great. And all new parts.
https://www.wolffpactech.com/
I've built several:
https://pinside.com/pinball/forum/topic/wolffpac-6-digit-display-kit-review
He also came out with kits for Williams games:
https://pinside.com/pinball/forum/topic/new-display-kits-for-williams-games-review
I too have used Wolfpack and like what they offered.