A. Tonolli & C.S.p.A.
Aaltonen Olavi A.
Aaltonen Olavi August
AB Svensk Alunskifferutveckling
ABB Flakt AB
Abdeev Jury M.
Abedi Hedayat
Abendstein Karl
Aberfoyle Services Pty. Ltd.
Abkowitz Martin A.
Abramo Samuel V.
Acebo William F.
Ackerman Patrice K.
Acla Howard L.
Acuncius Dennis S.
Adachi Junichi
Adachi Yasuto
Adams James Stephen
Adelsperger Frederic J.
Adrian Joseph