Applied Process Technolgy, Inc.
Aqua-Envirotech Mfg., Inc.
Aquagem Holdings Pty Limited
Aquascience Research Group, Inc.
Archer Walter J.
Argad-Eyal Water Treatment Industries Inc.
Artoni Giancarlo
Artoni S.A.S. Di Artoni Giancarlo & Co.
Asada Hiroyuki
Asher Karen L.
Atr Products and Chemicals, Inc.
Awois, LLC
Azzarella Michael
B.T.P. Cocker Chemicals Limited
Babb George R.
Baghel Sunita S.
Bailey Bruce R.
Bajnoczy Gabor
Bakac Andreja
Baldwin, Jr. Philip N.