EXHIBIT 21
LIST OF SUBSIDIARIES
The following table sets forth certain information concerning the principal subsidiaries of the Company.
| Name | State or Other Jurisdiction of Incorporation | |
| All-Glass Aquarium Co., Inc. |
Wisconsin | |
| Farnam Companies, Inc. |
Arizona | |
| Four Paws Products, Ltd. |
New York | |
| Gulfstream Home & Garden, Inc. |
Florida | |
| Interpet USA, LLC |
Delaware | |
| Kaytee Products Incorporated |
Wisconsin | |
| New England Pottery, LLC |
Delaware | |
| Norcal Pottery Products, Inc. |
California | |
| Pennington Seed, Inc. |
Delaware | |
| Pets International, Ltd. |
Illinois | |
| TFH Publications, Inc. |
Delaware | |
| Wellmark International |
California |
The names of certain subsidiaries have been omitted because such unnamed subsidiaries, considered in the aggregate, would not constitute a significant subsidiary as that term is defined in Regulation S-X.