LIBRARY
| 1908 | SAND MIXING MACHINE COMPANY | OHIO |
| 1910 | AMERICAN FOUNDRY & MACHINE COMPANY | |
| 1920 | AMERICAN FOUNDRY & MACHINE COMPANY | OHIO/ILLINOIS |
| 1926 | AMERICAN FOUNDRY & MACHINE COMPANY | INDIANA |
| 1946 | AMERICAN WHEELABRATOR & EQUIPMENT COMPANY | |
| 1955 | WHEELABRATOR CORPORATION | |
| 1964 | THE WHEELABRATOR CORPORATION | |
| 1971 | WHEELABRATOR-FRYE, INC. | |
| 1986 | THE WHEELABRATOR CORPORATION | |
| 1987 | THE WHEELABRATOR CORPORATION | GEORGIA |
| 1996 | U. S. FILTER SURFACE PREPARATION GROUP, INC. | |
| 2003 | INTERNATIONAL SURFACE PREPARATION GROUP, INC. | |
| 2006 | WHEELABRATOR GROUP, INC. |