Pyromate
FireOne
BayFireworks - they
use FireOne
PyroPak
Pyrotech
another Pyrotech page
Fiatlux
Holatron
Pyrodigital
ODA Enterprises
Pyromagic
Pyrosafety
Pyro Systems 2000
Pyro Sync
Salzman Engineering
Sam Woodward Pyrotechnics
SMCE
not in english, but lots of pictures