- Cudahy Packing Co.1
- Darrell's RD-5 Products Co., from Salt Lake City, Utah.1
- Demetrios E. Condoyiannis, trading as Growzon Laboratory, Washington, D. C.1
- Dencolo Corp., from Denver, Colo.1
- Dependable Thermometer Co., from Bronx, N. Y.1
- Don Johnson, trading as the Dwight Dairy Products Co.1
- Dr. George S. Long Corp., from Pineville, La.1
- Ebrey Chemical Works, from Humacao, P. R.1
- Equity Coop. Assn.1
- Fairfield Laboratories, Inc.1
- Farmhouse Poultry Co.1
- G. L. Rutledge1
- Georgia Broiler Processing Plant, Inc.1
- Guss Forbush & Son1
- H. Allen Pearman, trading as Pearman's Drug Store, Paris, Ill.1
- H. Peters1
- Horace M. Carter, from Rutland, Vt.1
- In-Flam-Go Products Co., from Detroit, Mich.1
- Indiana Botanic Gardens, from Hammond, Ind.1
- Inorganic Bioelements, Inc.1
