Principal Suppliers (Continued) Master Fan Corp. McKesson & Robbins Co., Inc. Minnesota Mining & Mfg. Co. Modern Metal Fabricators Co. Monarch Lumber Co. National Lead Co. National Steel & Supply Co. Neal Supply Co. Nigg Engineering Corp. Oregon Steel Mills, Inc. Pacific Clay Products Co. Pacific Iron & Steel Company Pacific Portland Cement Co. Pacific States Steel Corp. Pacific Telephone & Telegraph Co. Pacific Wire Rope Co. Palmer Electric Mfg. Co. Permanente Cement. Co, Pickens, Mather & Co. Pope & Talbot, Inc. Precision Sheet Metal Inc. W. S. Rockwell Company Santa Cruz Portland Cement Co. Max Schlassberg Co. seacraft Co, E, H. Sheldon & Co, Shepherd Tractor & Equipment Co. Shields,. Harper. Co. Sinclair Paint Co, smith, Booth, Usher & Co, Snap-on Tools Corp. Socony Paint Products Co. Southwestern Engineering Co. Square D Company Stancal Asphalt & Bitumls Co. Standard Steel Works, Div, Baldwin Lima Hamilton Corp. Stauffer Chemical. Company Steel Framing & Building Corp. Super Concrete & Emulsions, Ltd. Sutorbuilt Corp. Timm Industries, Inc. Triangle Steel & Supply Co. 13~29