Royal Subs

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

• Restaurants
• Restaurant Submarine Sandwiches

North American Industry Classification System (NAICS) Categories:

• Full-Service Restaurants
• Limited-Service Restaurants > Delicatessen, Sandwich, Soup & Salad Restaurants > Restaurant Sandwich Shops

Standard Industry Classification (SIC) Categories:

• Eating Places
• Eating Places > Delicatessen, Sandwich, Soup & Salad Restaurants > Restaurant Sandwich Shops