In terms of people who've made a real 'dent' in the techno sound at some point or other. Imo.

BASIC CHANNEL
JEFF MILLS
STEVE BICKNELL
DBX
SCSI-9

Some of the names that have made it onto some peoples lists... Just FRIGHTENING hahaha horses for courses though and each to their own...

However, isn't this topic is about people who can ACTUALLY PRODUCE RECORDS lol