City Oyster is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Restaurants
• Seafood Restaurants

North American Industry Classification System (NAICS) Categories:

• Full-Service Restaurants
• Full-Service Restaurants > Seafood Restaurants
• Limited-Service Restaurants

Standard Industry Classification (SIC) Categories:

• Eating Places
• Eating Places > Seafood Restaurants