| Companies |
| Accuride International |
| Ambico |
| Architectural Louvers |
| Armstrong Building Solutions |
| BlueWater Mfg |
| EXTECH/Exterior Technologies, Inc. |
| Florence Corporation |
| Innovate Building Solutions |
| Penetron International |
| Safety Rail Company |
| Stromberg Architectural Products, Inc. |
| The Belden Brick Company |
| Unicel Architectural Corp. |
| Xypex Chemical Corporation |