United States Atomic Energy Commission | Hamilton | OH |
United States Government Nitrate Plant | Ancor | OH |
United States Gypsum | Genoa | OH |
United States Gypsum | Gypsum | OH |
United States Gypsum | Warren | OH |
United States Industrial Chemical | Ashtabula | OH |
United States Playing Cards | Cincinnati | OH |
United States Playing Cards | Norwood | OH |
United States Plywood | Hamilton | OH |
United States Post Office | Canton | OH |
United States Post Office | Cincinnati | OH |
United States Post Office | Green | OH |
United States Post Office | Cleveland | OH |
United States Post Office | Toledo | OH |
United States Printing | Cincinnati | OH |
United States Reduction | Toledo | OH |
United States Rubber | Painesville | OH |
United States Shoe | Cincinnati | OH |
United States Stoneware | Tallmadge | OH |
United States War Department | Fairfield | OH |
Universal Atlas Cement | Fairborn | OH |
Universal Potteries | Cambridge | OH |
Universal Sewer Pipe | Palmyra | OH |
Universal Sewer Pipe | Uhrichsville | OH |
University Hospital | Cleveland | OH |
University Of Cincinnati | Cincinnati | OH |
University Of Dayton | Dayton | OH |
University Of Toledo | Toledo | OH |
Unsulco | Lima | OH |
Upper Union Mills | Youngstown | OH |
Upson Nut | Cleveland | OH |
Upson Walton | Cleveland | OH |
Up-To-Date Laundry | Cleveland | OH |
Uran Storage | South Point | OH |
Urbana Light | Urbana | OH |
Ursuline Academy | Blue Ash | OH |
Ursuline College | Tiffin | OH |
U.S. Pipe and Foundry | Addyston | OH |
U.S.S. Chemical Plant | Haverhill | OH |
U.S. Steel | Fairborn | OH |
U.S. Steel | Canton | OH |
U.S. Steel | Cleveland | OH |
U.S. Steel | Youngstown | OH |
U.S. Steel | Lorain | OH |
U.S. Steel | McDonald | OH |
U.S. Steel | Ashland | OH |
U.S. Steel | Masury | OH |
U.S. Steel | Haverhill | OH |
U.S. Steel | Cincinnati | OH |
U.S. Steel | Avon Lake | OH |