Alpine Westfalia Berg- und Tunneltechnik GmbH & Co.
American Industrial Contracting, Inc.
American Standards Construction Corp.
Americore Technologies, Inc.
Ampsco Corporation
Anderson Jack T.
Anderson Sterling J.
Anderson Strathclyde Olc
Anderson Strathclyde PLC
Anderson Strathcylde Plc
Antoline Steve
Antonov Alexandr D.
Aoki Hidekazu
Arbeithuber Walter
Arbucci Vincent
Arch Technology Corporation
Archibald William R.
Arentzen Einar M.
Arita Ryoichi
Armstrong Anthony C.