Tech Asia (Asia Divers) in PG - Sam Collett, Ferg Aldo etc IANTD
Boardwalk in Subic - George Ang Du Pay TDI
Evolution in Malapascua - Matt Reed TDI
Savedra in Cebu - Lee Butler TecRec
Manila Dive Academy (based Manila, but dive mostly Anilao/Batangas) - Karl Hurwood TecRec (was also UTD)
and little 'ole me, the freelance vagabond who goes everywhere LOL TecRec & ANDI (sidemount/technical wreck)
Also;
Bruce Konefe for anything CCR, cave or ANDI tech. ANDI and 12+ CCR Unit Qs
Xavier Mendiolagaray, another freelance tech/cave instructor, if you're down in Surigao area.
Miko Zulueta for your GUE stuff. GUE
List is by no means exhaustive... just who springs immediately to mind (apologies to those listed, if I got any details wrong/incomplete).
Drop me a line for some impartial advice... I don't do hard sell.