| Utilities Coating | Niles | OH |
| Vaccuum Degassing | Middletown | OH |
| VA Hospital | Dayton | OH |
| VA Hospital | Brecksville | OH |
| VA Hospital | Cleveland | OH |
| VA Hospital | Cincinnati | OH |
| VA Hospital | Chillicothe | OH |
| Val Decker Packing | Piqua | OH |
| Valley Job | Canton | OH |
| Valley Mold | Hubbard | OH |
| Vanadium | Cambridge | OH |
| Vanadium | Steubenville | OH |
| Van Camp Packing | Bryan | OH |
| Van Camp Packing | Wauseon | OH |
| Vandalia Butler Board Of Education | Vandalia | OH |
| Van Sickle Ind. | Avon | OH |
| Van Went Public Services | Van Wert | OH |
| Variety Stamping | Cleveland | OH |
| Variety Steel | Cleveland | OH |
| Vari-Systems | Cleveland | OH |
| Vickers Petroleum | South Lebanon | OH |
| Vicksburg Railroad Power & Manufacturing | Akron | OH |
| Victoreen Instrument | Cleveland | OH |
| Victor Safe & Lock | Norwood | OH |
| Victory Metal | Cleveland | OH |
| Viking Glass | Ironton | OH |
| Vindicator Printing | Youngstown | OH |
| Virginia Carolina Chemical | Fernald | OH |
| Vistron | Cleveland | OH |
| Vistron | Lima | OH |
| Vocation Guidance | Cleveland | OH |
| Volk Supply | Cleveland | OH |
| Vulcan Building | Cleveland | OH |
| Vulcan Copper & Supply | Cincinnati | OH |
| Vulcan Materials | Sandusky | OH |
| Vulcan Team Track | Toledo | OH |
| Wabash Smelting | Cleveland | OH |
| Wadsworth Light & Water | Wadsworth | OH |
| Wadsworth Salt | Wadsworth | OH |
| Wagner Awning | Cleveland | OH |
| Wagner-Smith Store | Dayton | OH |
| W.A. Kearns Packing | Mansfield | OH |
| Waldron Firebrick & Insulation | Cleveland | OH |
| Walgreen Drug Store | Cincinnati | OH |
| Walker Heat | Cleveland | OH |
| Walker Processing | Cleveland | OH |
| Wallace & Tiernan | Canton | OH |
| Walnut | Groveport | OH |
| Walnut Hills High School | Cincinnati | OH |
| Walton Hills | Walton Hills | OH |
