| | | | | |
| Canada | United Kingdom |
| 0993477 B.C. Unlimited Liability Company | Door-Stop International Limited |
| 1388199 B.C. Unlimited Liability Company | Masonite Europe Limited |
| Crown Door Corp. (Ontario) | Premdor Crosby Limited |
| Sacopan, Inc. (Quebec) | Premdor U.K. Holdings Limited |
| VanAir Design, Inc. | |
| United States |
| Chile | California |
| Masonite Chile Holdings | Eger Properties |
| Masonite Chile S.A. | |
| Delaware |
| China | EPI Holdings, Inc. |
| Masonite (Shanghai) Trading Company Limited | Evergreen Finance LP |
| Masonite Corporation |
| Costa Rica | (d/b/a Advisar) |
| Inversiones Premdor S.A. | (d/b/a Algoma) |
| Masonite Costa Rica S.A. | (d/b/a Algoma Express) |
| Technoforest Del Norte S.A. | (d/b/a Birchwood Best) |
| (d/b/a Birchwood Lumber & Veneer) |
| Cyprus | (d/b/a Bolection Door) |
| Liora Enterprises Limited | (d/b/a Bridgewater Wholesalers) |
| (d/b/a BWI) |
| India | (d/b/a Florida Made Door) |
| Masonite Doors Private Ltd. | (d/b/a Florida Millwork) |
| (d/b/a Fyreworks) |
| Israel | (d/b/a Marshfield Doorsystems) |
| Premdor Ltd. | (d/b/a Masonite Architectural) |
| (d/b/a Masonite Display) |
| Ireland | (d/b/a Mohawk Flush Doors) |
| Masonite Ireland | (d/b/a USA Wood Door) |
| Masonite Europe | Masonite Distribution, LLC |
| Masonite Components | Steelwood LLC |
| |
| Luxembourg | Florida |
| Masonite Luxembourg S.A. | Sierra Lumber, Inc. (f/k/a Florida Made Door) |
| Shop Masonite LLC |
| Malaysia | |
| Magna Foremost Sdn Bhd | North Carolina |
| Endura Products, LLC |
| Mexico | |
| Masonite Mexico S.A. de C.V. | Oklahoma |
| Dominance Industries, Inc. |
| Netherlands | |
| Premdor Karmiel Holdings B.V. | |
| |
| Poland | |
| Masonite PL Sp. z.o.o. | |
| |
| Ukraine | |
| SC Premdor Ukraine | |
| |
| |