Slim Jim Original Jerky, 2.9 Ounce. For on-the-go, all-day relief, nothing works faster and packs lighter than Slim Jim Beef Jerky. Original flavor. ABOUT CONAGRA Slim Jim is a member of the ConAgra Foods family, one of the largest packaged foods companies in North America with major presence in retail outlets, foodservice and restaurants, and in ingredients. Slim Jim is a convenient, one-of-a-kind snack, well known for its intense flavor and “snap” that people love.