Circular 21 - Insecticides and Subsidiary Materials 85 
79. Niagara Sprayer & Chemical Co., Inc., 
. Middleport, N. Y. 
80. Nico-Dust ICfg. Co., Los Angeles, Calif. 
81. Nicotine Manufacturing Co., St. Louis, Mo. 
82. Nicotine Production Co., Inc., 
Clark sville, Tenn. 
83. John Opitz, Inc., Long Island City, N. Y. 
84. Ore & Chemical Corporation, New York, N.Y. 
85. Oregon Forest Products, Gold Beach, Oregon 
86. Paraffine Companies, San Francisco, Calif. 
87. Pfaltz & Bauer, Inc., New York City, N. Y. 
88. Pfeiffer Chemical Co., St. Louis, Mo. 
89. Charles Pfizer & Co., 81 Maiden lane, 
New York City, N. Y. 
90. Pittsburgh Plate Glass Co., Milwaukee, Wis. 
91. John Powell & Co., Inc., New York City, N.Y. 
92. Proctor & Gamble Co., New York City, N. Y. 
93. Rat-Biscuit Co., Springfield, Ohio 
94. Reilly Tar & Chemical Corp., Indianapolis, 
Indiana 
95. Republic Chemical Co., New York, N. Y. 
96. Rhom & Kaas Co., Philadelphia, Pa. 
97. Rogers Chemical Company, Dallas, Texas 
98.' Sea Coast Laboratories, Inc., New York, N.Y. 
99. Sennewald Drug Co., St. Louis, Mo. 
100. John Shaw & Co., Inc., Boston, Mass. 
101. Shervdn-V/illiams Co., Cleveland, Ohio 
102. Sherv/ood Petroleum Co. , Inc., Snglewood,N. J. 
103. Soilicide Laboratories, Montclair, N. J. 
104. Solvay Sales Corporation, New York, N. Y. 
105. Steam's Electric Paste Co., Chicago, 111. 
106. The Sullivan Co., Memphis, Tenn. 
107. Thompson -Kayward Chemical Co. , Kansas City, Mo 
108. Tobacco By-Products & Chemical Corp., 
Louisville, Ky. 
109. United States Rubber Co., General Develop- 
ment Division, Passaic, N. J. 
110. Walgreen Co., Chicago, 111. 
111. Western Talc Co., Los An:;eles, Calif. 
112. Whittacker, Clark & Daniels, Inc., New 
York, N. Y. 
