Burger 21

Burger 21 is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Restaurants Hamburgers & Hot Dogs
• Restaurants

North American Industry Classification System (NAICS) Categories:

• Full-Service Restaurants > Hamburger & Hot Dog Restaurants
• Limited-Service Restaurants

Standard Industry Classification (SIC) Categories:

• Eating Places > Hamburger & Hot Dog Restaurants