With an impressive list of presidential customers, it takes 1,800 staff members and a full-time knife-sharpener to keep up with the demand for Omaha Steak's mail-order filet mignons. With no artificial flavors, colors or preservatives, 1.4 million Annie's Cheddar Bunnies crackers hop through the company's 200-foot tunnel oven every hour. The name may not sound too appealing, but Zatarain's Dirty Rice Mix is downright delicious and has been a New Orleans favorite since 1889.