This industry comprises establishments primarily engaged in the merchant wholesale distribution of packaged frozen foods (except dairy products). Illustrative Examples: Frozen bakery products merchant wholesalers Packaged frozen fish merchant wholesalers Frozen juices merchant wholesalers Packaged frozen meats merchant wholesalers Frozen vegetables merchant wholesalers Packaged frozen poultry merchant wholesalers Cross-References. Establishments primarily engaged in the merchant wholesale distribution of frozen dairy products are classified in Industry 424430, Dairy Product (except Dried or Canned) Merchant Wholesalers.