Airspace

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

• Aircraft Manufacturers
• Search & Navigation Equipment Manufacturers

North American Industry Classification System (NAICS) Categories:

• Search, Detection, Navigation, Guidance, Aeronautical, And Nautical System And Instrument Manufacturing
• Aircraft Manufacturing

Standard Industry Classification (SIC) Categories:

• Aircraft
• Search & Navigation Equipment