This industry comprises establishments primarily engaged in the merchant wholesale distribution of poultry and/or poultry products (except canned and packaged frozen). Cross-References. Establishments primarily engaged in-- ? Merchant wholesale distribution of packaged frozen poultry--are classified in Industry 424420, Packaged Frozen Food Merchant Wholesalers; ? Merchant wholesale distribution of canned poultry--are classified in Industry 424490, Other Grocery and Related Products Merchant Wholesalers; and ? Slaughtering and dressing poultry--are classified in U.S. Industry 311615, Poultry Processing.