- Central Laboratories, from Bensenville, Ill.4
- Chas. Pfizer & Co., Inc.4
- Cowley Pharmaceuticals, Inc.4
- Cutter Laboratories, Inc.4
- Dartell Laboratories4
- Goodwear Rubber Co., Inc.4
- Gotham Sales Co., Inc.4
- Hampton Mfg. Co., from Carlstadt, N. J.4
- Harvey Laboratories, Inc., from Philadelphia, Pa.4
- Hema Drug Co., Inc., from Maspeth, N. Y.4
- Hygrade Thermometer Co., from Brooklyn, N. Y.4
- International Distributors4
- Killashun Sales Div. of the Akwell Corp.4
- Loeser Laboratory, Inc.4
- Lustgarten Laboratories, Inc.4
- Major Vitamins, Inc., from New York, N. Y.4
- Meer Corp.4
- Merritt Corp.4
- Nysco Laboratories, Inc.4
- Oxford Products, Inc.4