| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| Wal-Rich Corp. | Ward Fittings | Watersaver Faucets | ||
| Watts Regulator | Watco Bath Wastes | Weber Cabinets | ||
| Webstone Company, Inc. | Welco Gas | Whirlaway | ||
| Wirsbo Radiant Heating | Wilkins Regulator | Woodford Hydrants | ||
| WARDFLEX | ||||