Comment: Not the first. Not even close. (Score 1) 176
http://www.grammy.org/recording-academy/producers-and-engineers/awards indicates that Sony/Philips (1998), Georg Neumann GmbH (1999), AMS Neve plc (2000) and Digidesign (2001) won technical grammies as companies, before Apple. Also, as individuals, Thomas Stockham (1994 - really "the first technical Grammy"), Ray Dolby (1995), Rupert Neve (1997), George Massenburg (1998), Bill Putnam (2000), and Les Paul (2001).
(Wikipedia links provided just in case anyone hasn't heard of some of those winners, or doesn't know what they won for.)