| M&M Manufacturing Company |
Fort Worth, Texas |
| M&M Manufacturing Company |
Garland, Texas |
| M&M Manufacturing Company |
Houston, Texas |
| M&M Manufacturing Company |
Fort Worth, Texas |
| M.C.A. Clay Roof Tile |
Corona, California |
| M2S Electronics |
Quebec City, Quebec |
| M5 Steel Manufacturing |
Los Angeles, California |
| MacDuffco Manufacturing Inc. |
Victoria, British Columbia |
| MacroAir |
San Bernardino, California |
| Macy Industries Inc. |
Hooksett, New Hampshire |
| Magic Aire |
Wichita Falls, Texas |
| Magnum Board Products LLC |
Tampa, Florida |
| Magnum Products |
Lenexa, Kansas |
| Magwall Building Systems |
Edmonton, Alberta |
| Maico Italy SpA |
Lonato d/Garda, Brescia |
| Main Plan Ltd. |
Kowloon, Hong Kong |
| Malarkey Roofing Products |
Portland, Oregon |
| Malarkey Roofing Products |
Oklahoma City, Oklahoma |
| Malarkey Roofing Products |
South Gate, California |
| Mameco International |
Cleveland, Ohio |
| Manko Window Systems, Inc. |
Manhattan, Kansas |
| Mansea Metal |
Winchester, Kentucky |
| Mansea Metal |
Mt. Zion, Illinois |
| Mansfield Plumbing Products |
Perrysville, Ohio |
| Mansfield Plumbing Products |
Henderson, Texas |
| Mansonville Plastics BC Ltd. |
Surrey, British Columbia |
| Manus Products, Inc. |
Naples, Florida |
| Manus Products, Inc. |
Waconia, Minnesota |
| MAPEI Corporation |
Fredericksburg, Virginia |
| MAPEI Corporation |
San Bernardino, California |
| MAPEI Corporation |
Tempe, Arizona |
| MAPEI Corporation |
West Chicago, Illinois |
| MAPEI Corporation |
Deerfield Beach, Florida |
| MAPEI Corporation |
Garland, Texas |
| MAPEI Corporation |
Logan Township, New Jersey |
| Mar-flex Waterproofing & Building Products |
Carlisle, Ohio |
| Mar-flex Waterproofing & Building Products |
Carslisle, Ohio |
| Marino\WARE |
South Plainfield, New Jersey |
| Marino\WARE |
Griffin, Georgia |
| Marino\WARE |
East Chicago, Indiana |
| Maritime Geothermal Ltd. |
Petitcodiac, New Brunswick |
| Marko Foam Products |
Salt Lake City, Utah |
| Marley Engineered Products |
Bennettsville, South Carolina |
| Marlin Windows |
Spokane Valley, Washington |
| Marlo Inc. |
Racine, Wisconsin |
| Marmon Holdings, Inc. |
Iuka, Mississippi |
| Marmon Holdings, Inc. |
Chicago, Illinois |
| Marvin Windows and Doors |
Grafton, North Dakota |
| Marvin Windows and Doors |
Warroad, Minnesota |
| Marvin Windows and Doors |
Warroad, Minnesota |