| Louverlight Window Products, Inc. |
Medley, Florida |
| LSP Products Group (LSP) |
Carson City, Nevada |
| Lucas Metal Works Inc. |
Ochelata, Oklahoma |
| Lucisano Brothers Inc. |
Bristol, Pennsylvania |
| Ludowici Roof Tile, Inc. |
New Lexington, Ohio |
| Lukjan Metal Products Inc. |
Sidney, Nebraska |
| Lukjan Metal Products Inc. |
Prairie Farm, Wisconsin |
| Lukjan Metal Products Inc. |
Kings Mountain, North Carolina |
| Lukjan Metal Products Inc. |
Conneaut, Ohio |
| Lumalier UV Air & Surface Disinfection |
Memphis, Tennessee |
| Lumentruss |
Montreal, Quebec |
| Luminii Corporation |
Niles, Illinois |
| Luminiz Inc. |
Etobicoke, Ontario |
| Lumirama Inc. |
Laval, Quebec |
| Lutron Electronics Company Inc. |
Alburtis, Pennsylvania |
| Lutron Electronics Company Inc. |
Austin, Texas |
| Lutron Electronics Company Inc. |
Coopersburg, Pennsylvania |
| Lutron Electronics Company Inc. |
Allentown, Pennsylvania |
| Lutron Electronics Company Inc. |
Ashland, Virginia |
| Luxbaum Windows & Doors |
West Palm Beach, Florida |
| LX Hausys America Inc. |
Adairsville, Georgia |
| LymTal International |
Lake Orion, Michigan |
| Lynden Doors |
Lynden, Washington |
| Lyon Metal Roofing |
Jamesville, North Carolina |
| Lyon Metal Roofing |
Hildebran, North Carolina |
| Lyon Metal Roofing |
Radford, Virginia |