United Airlines

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

• Air Cargo & Package Express Service
• Airline Services

North American Industry Classification System (NAICS) Categories:

• Scheduled Passenger Air Transportation > Airline Companies
• Scheduled Freight Air Transportation > Air Cargo & Package Express Services

Standard Industry Classification (SIC) Categories:

• Air Transportation, Scheduled > Airline Companies
• Air Transportation, Scheduled > Air Cargo & Package Express Service