If we're talking techno techno then really anything by Adam Beyer, Nicole Maudaber, Maceo Plex, Hawtin, Carl Cox, Alan Fitzpatrick, Dubfire etc etc
Here's an local Detroit show that features local Techno music. I grew up on this show and know one of the Dancers.
I really miss my hometown
Have some real hard acid shit from the early 90s underground scene
The Subjects vs Jeff Mills - Dark Matter
Drexciya is amazing. They're the first artist that comes to mind when I think "techno".
I can't remember the name of it but it had slow than fast drums.