Not sure if you have spotify, but here's my "techno" playlist that has over 800 songs in it so far. I put techno in quotes because I'm sure someone can find songs in there that aren't "real techno" but you won't find any big room EDM, that's for sure.

https://open.spotify.com/playlist/1LSjVUxQk1Nrh7kHavZ4uu?si=...