| WC Man Productions ( Denver, CO ) | WCI Steel Corporation ( Warren, OH ) | WD-40 Company |
| WCB Containers Limited | WCI Steel, Inc. ( Warren, OH ) | WD-40 Company ( San Diego, CA ) |
| WCB Containers Limited( Stalybridge ) | WCI-Outdoor Products, Inc. ( Cleveland, OH ) | WDA Contracts Corporation ( South San Francisco, CA ) |
| WCB, Inc. d/b/a World Class Sports et al | WCIS MEDIA LLC ( Boca Raton, FL ) | WDI International, Inc. ( Bedford Heights, OH ) |
| WCCP, LLC ( South Hero, VT ) | WCM Industries, Inc. ( Colorado Springs, CO ) | WDN Holdings, LLC |
| WCDI, LLC ( Midvale, UT ) | WConect, LLC ( Davenport, FL ) | WDRM Patent Co. ( Grosse Pointe Farms, MI ) |
| WCF, Inc. ( Spring, TX ) | WCR Company | WDS, Inc. ( Oswego, IL ) |
| WCF. Inc. ( Spring, TX ) | WCR COMPANY ( Milwaukee, OR ) | WDT |
| WCI Outdoor Products, Inc. ( Cleveland, OH ) | WCR Company ( Portland, OR ) | WDT Technologies, Inc. ( Tucson, AZ ) |
| WCI Outdoors Products, Inc. ( Cleveland, OH ) | WD Media, Inc. ( San Jose, CA ) | |
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