SIC Code 45 – Transportation by Air
This major group includes establishments engaged in furnishing domestic and foreign transportation by air and also those operating airports and flying fields and furnishing terminal services.
Subcategories are listed in order from general (3-Digit) to more specific (4-Digit) industry
|451 - Air Transportation, Scheduled, and Air Courier||4512 - Air Transportation, Scheduled|
|4513 - Air Courier Services|
|452 - Air Transportation, Nonscheduled||4522 - Air Transportation, Nonscheduled|
|458 - Airports, Flying Fields, and Airport Terminal||4581 - Airports, Flying Fields, and Airport Terminal Services|