This industry comprises establishments primarily engaged in buying or selling packaged frozen foods; dairy products; poultry and/or poultry products; confectioneries, salted or roasted nuts, popcorn, chips, fountain fruits and syrups; fish and seafood; meats and meat products; fresh fruits and vegetables; and/or other grocery and related products on a commission, brokerage, or agency basis for others through a sales force rather than through electronic means such as the Internet.