John Adams,
Kevin Braheny,
Knox Bronson,
Arthur Brown,
Vince Clarke,
Alvin Curran,
Eric Drew Feldman - played with Captain Beefheart, Snakefinger, & Frank Black (ex-Pixie),
Jonny Greenwood of RadioHead,
Jon Hassell,
Richie Hawtin,
Ingram Marshall,
Dhyan Moller on the Drone Music Promo album,
Moby,
Drew Newman
Bob Ostertag,
Roger Powell,
Steve Roach,
Skinny Puppy,
Sonic Boom,
Chris Stubbs of The Mometers,
Tim Souster,
Michael Steams,
Ivan Tcherepnin,
Paul Winter Consort,
Frank Zappa
[Let us know if you have any further additions to this list.]