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

• Bus Lines Ticket Agencies
• Bus Transportation

North American Industry Classification System (NAICS) Categories:

• Bus And Other Motor Vehicle Transit Systems > Bus Transportation
• All Other Travel Arrangement And Reservation Services

Standard Industry Classification (SIC) Categories:

• Local & Suburban Transit > Bus Transportation
• Arrangement Of Passenger Transportation, Nec > Passenger Transportation Ticket Offices & Agencies > Bus Lines Ticket Agencies