- Akron Feed & Milling Co., a corporation, Akron, Ohio1
- Albert Dickinson Co.1
- Albert Hassman, president of Universal Drug Products, Inc., Cleveland, Ohio.1
- Albert Hassman, president of Universal Products, Inc.1
- Albert Hassman, trading as the Universal Products Co.1
- Albert Hassman, trading as the Universal Products Co., Cleveland, Ohio1
- Albert Textor, trading under the name of A. Textor & Co., Sandusky, Ohio1
- Alexandria Packing Corp1
- Allied Pharmacal Company, a partnership, Cleveland, Ohio, and Samuel A. Salzman, a partner.1
- Alonzo O. Bliss Medical Co.1
- Alvin H. Weinstein, acting manager for the Schwartz Drug Co., Toledo, Ohio.1
- Am-O-Lox Co.1
- Amendt Milling Co.1
- American Biochemical Corp.1
- American Biochemical Corp., Cleveland, Ohio.1
- American Biochemical Corporation1
- American Biochemical Corporation, Cleveland, Ohio.1
- American Conserve Co.1
- American Croxone Co., a corporation, Cleveland, Ohio1
- American Fillet Co.1