Abex Corp., Airco Welders Supply, Anchor Packing Co., Borgwarner Corp., Brake & Clutch Co. of Phila., Carlisle Corp.,celotex Corp., Dana Corp., Davis Brake & Equip. Corp., Delcoprod. of Gm, Garlock Inc., Precision Seal Di v. , Ge Co.,crumman Oh Corp., H.k. Porter Co., Inc., Kay Wheel Sales,lear Siegler, Inc., Lenco Inc., Mfgd. Rubber Prod. Co.,maremont Corp., Melrath Gasket Co., Mohawk Mfg. & Supplyco., Monsey Prod., Motor Ser v. , Nat. Gypsum, Nicolet Ind., Inc