A. Wassermann S.p.a.
A. Wells And Company
A. Wells And Company Limited
A. Welti-Furrer A.-G.
A. Wimpfheimer And Bro. Inc.
A. Y. Mcdonald Manufacturing Co.
A. Yates Dowell
A. Ziemann A.-G.
A.-B Aerotransport
A.-B. Arbogamaskiner
A.-B. Hagglund And Soner
A.-B. Svenska Flaktfabriken
A.-G. Brown Boveri And Cie.
A.-G. Fur Forschung Und Patentverwertung Luzern
A.-G. Fuer Metallbearbeitung
A.-G. Vormals W. Achtnich And Co.
A./s. Myrens Verksted Kristiania
A.a. Barthelmes And Company Limited
A.a. Dieter & Co.
A.a. Griffin Iron Co.