| LePage Millwork |
Riviere-du-Loup, Quebec |
| Lexsuco Corporation |
Mississauga, Ontario |
| Liberty Pumps |
Bergen, New York |
| Libo Lighting Electrical Company, Ltd. |
Foshan Shi, Guangdong Sheng |
| LifeTite Metal Products LLC |
Mt. Hope, West Virginia |
| LifeTite Metal Products LLC |
Belington, West Virginia |
| LifeTite Metal Products LLC |
Kenna, West Virginia |
| Light Emitting Designs |
Shengang District, Taichung City |
| Light Engine Ltd. |
Huizhou Shi, Guangdong Sheng |
| LightCorp |
Grand Haven, Michigan |
| Lightheaded |
Port Coquitlam, British Columbia |
| Lighting Services Inc. |
Stony Point, New York |
| Lincoln Windows and Patio Doors |
Merrill, Wisconsin |
| Lindal Building Products |
Burlington, Washington |
| Lindsay Window & Door |
Union, Missouri |
| Lindsay Window & Door |
Aurora, Illinois |
| Lindsay Window & Door |
North Mankato, Minnesota |
| Lindsay Window & Door |
Lakewood, Washington |
| Lingrove Inc. |
San Rafael, California |
| Linx Industries |
Portsmouth, Virginia |
| Liteline Corporation |
Richmond Hill, Ontario |
| Litra USA |
West Orange, New Jersey |
| Little Harbor Window Company |
Berwick, Maine |
| Lloyd Industries |
Montgomeryville, Pennsylvania |
| Lloyd Industries |
Orange Park, Florida |
| Lochinvar LLC |
Lebanon, Tennessee |
| Lochinvar, LLC |
Lebanon, Tennessee |
| Lockheed Window Corporation |
Pascoag, Rhode Island |
| Loewen Windows and Doors |
Tucson, Arizona |
| Lomanco, Inc. |
Jacksonville, Arkansas |
| Lonyung LED Lighting |
Zhongshan Shi, Guangdong Sheng |
| Loren Cook Company |
Springfield, Missouri |
| Loren Cook Company |
Coffeyville, Kansas |
| Loren Cook Company |
McAlester, Oklahoma |
| Los Angeles Lighting Manufacturing Company |
El Monte, California |
| Louisiana-Pacific Corporation |
Red Bluff, California |
| Louisiana-Pacific Corporation |
Wilmington, North Carolina |
| Louisiana-Pacific Corporation |
Houlton, Maine |
| Louisiana-Pacific Corporation |
Carthage, Texas |
| Louisiana-Pacific Corporation |
Hanceville, Alabama |
| Louisiana-Pacific Corporation |
Jasper, Texas |
| Louisiana-Pacific Corporation |
Roxboro, North Carolina |
| Louisiana-Pacific Corporation |
Thomasville, Alabama |
| Louisiana-Pacific Corporation |
Sagola, Michigan |
| Louisiana-Pacific Corporation |
Watkins, Minnesota |
| Louisiana-Pacific Corporation |
Hayward, Wisconsin |
| Louisiana-Pacific Corporation |
Newberry, Michigan |
| Louisiana-Pacific Corporation |
Roaring River, North Carolina |
| Louisiana-Pacific Corporation |
Tomahawk, Wisconsin |
| Louisiana-Pacific Corporation |
Two Harbors, Minnesota |