Catering (Starting with O)
- O'Charley's Catering
- Oak Harvest Kitchen Catering
- Oakland Catering Company Catering
- Oakwood Cafe Catering
- Oasis Mediterranean Cuisine Catering
- Obica Catering
- Obsessed Artist Catering
- Oby's Catering
- Ocean Blue Caribbean Restaurant & Bar Catering
- Ocean Malasada Company Catering
- Ocean Park Pizza Catering
- Oceana Grill Catering
- Ocha Tea Café Catering
- Odori Sushi and Teppanyaki Catering
- Off The Boat Fish Grill Catering
- Off The Record Catering
- Off The Wall Craft Beer & Wine Catering
- Offerdahl's Off-The-Grill Catering
- Office First Catering
- Ohana Backyard BBQ Catering
- Ohana Eatery Catering
- Ohana Hawaiian BBQ Catering
- Ohev Kitchen Catering
- Ohlone Deli & Catering Catering
- Ohya Sushi Catering
- Oinkadoodlemoo Barbecue Catering
- Oishi Sushi & Grill Catering
- Ol' South Pancake House Catering
- Ola Mae's Southern Barbecue Catering
- Old Carolina Barbecue Catering
- Old Chicago Pizza & Taproom Catering
- Old Chicago Red Hots Catering
- Old Dominion Grill & Sushi Catering
- Old Jerusalem Restaurant Catering
- Old Mill Bread & Flour Co Catering
- Old New York Deli & Bakery Catering
- Old Orchard Cafe & Catering
- Old Port Lobster Shack Catering
- Old School Bagel Cafe Catering
- Old Shawnee Pizza Catering
- Old Town Deli Catering
- Old Town Pizza Catering
- Olde Tymes Restaurant Catering
- Ole Ole Burrito Express Catering
- Olesia's Taverne of Richfield Catering
- Olga's Kitchen Catering
- Olio Catering
- Oliva Italian Eatery Catering
- Olive catering Catering
- Olive Garden Catering
- Olive Mediterranean Grill Catering
- Olive Pizza Catering
- Olive Tree Mediterranean Restaurant Catering
- Oliveto Italian Bistro Catering
- Olivos Mediterranean Bar & Grill Catering
- Olly's Pizzeria Catering
- Olympia Cafe Catering
- Olympia Diner Catering
- Olympia Pizza & Spaghetti House Catering
- Olympia Pizza Catering