Portland International Airport

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

• Airports
• Conference Centers

North American Industry Classification System (NAICS) Categories:

• Other Airport Operations > Airports
• Convention And Trade Show Organizers > Conference & Seminar Services > Conference Centers

Standard Industry Classification (SIC) Categories:

• Airports, Flying, Fields, And Airport Terminal Services > Airports
• Business Services, Nec > Conference & Seminar Services > Conference Centers