1 EXHIBIT 21 LIST OF SUBSIDIARIES OF PARK-OHIO INDUSTRIES, INC. Park-Ohio has no parent. As of December 31, 1996, Park-Ohio had the following significant subsidiaries, all of which are included in the consolidated financial statements: PERCENTAGE OF VOTING SECURITIES STATE OF OWNED BY SUBSIDIARY ORGANIZATION PARK-OHIO ---------- ------------ --------- Ajax Manufacturing Company Ohio 100% Blue Falcon Forge, Inc. Pennsylvania 100% Castle Rubber Company Pennsylvania 100% Cicero Flexible Products Ohio 100% Friendly & Safe Packaging Systems, Inc. Ohio 80% General Aluminum Mfg. Company Ohio 100% Kay Home Products, Inc. Ohio 100% RB&W Corporation Delaware 100% Tocco, Inc. Alabama 100%