- Armour Creameries1
- Armour Laboratories, Chicago, Ill.1
- Arner Co., Inc1
- Arthur F. Roberts, receiver for the firm trading as Darcy's Pies1
- Arthur G. Dunn1
- Atlas Foods1
- Aurine Co., Inc.1
- B. C. Friedman & Sons1
- B. L. Lemke Co.1
- Banco de Baja California1
- Basic Endocrines Sales Co., Inc.1
- Bates Laboratories, Inc.1
- Belmont Laboratories1
- Benton County Produce Co.1
- Bio-Mineral Products Co.1
- Block Bros.1
- Booth Fisheries Corporation1
- Boston Drug & Chemical Co., a corporation, Boston, Mass.1
- Brewer & Co., Inc.1
- Brocker Chemical Co.1