Anspach Roy L.
Anti-Sound Ab
Anvick Theodore E.
Appleton Cecil Benjamin
Applied Science Research Foundation Limited
Arai Tetsuzo
Arcand Pierre
Arcelormittal Construction France
Architectural Polymers Inc.
Arm-Tec Steelsupport A/s
Armand E. A. Blaton
Armco Westeel Inc.
Armelin Hugo S.
Armor Bond Building Products Inc.
Arnes Plat Ab
Arnold E. Hill
Arnold Nicolaas Hendrik
Arpagaus Willi
Artcraft Panels Inc.
Artigo S.p.a.