A & P Technology, Inc.
A. B. Carl Munters
A. O. Smith-Inland, Inc.
A/S Alto
Aalborg Instruments & Controls, Inc.
Aanonsen Torbj.o slashed.rn Atle
Aarntzen Richardus Hendrikus Arnoldus
ABB Reaktor GmbH
Abel Christian D.
Abney Laurence
Abrahams Louis
Abramczyk Louis F.
Abromaitis Andre T.
Aceto Roger R.
Achener Pierre Y.
Acme Group Pty Ltd.
Action Coupling and Equipment, Inc.
Activ GmbH Sanitartechnik
Adachi Norio
Adams John Carlisle