SIC 451—Air Transportation, Scheduled, and Air Courier

Where 451 sits

1. E Transportation, Communications, Electric, Gas, and Sanitary Services
2. 45 Transportation By Air
3. 451 Air Transportation, Scheduled, and Air Courier

Contains 2 narrower codes

• 4512 Air Transportation, Scheduled
• 4513 Air Courier Services

Description

For detailed description of SIC 451, see Subcategories in the Hierarchy Navigation on this page.

451 in other systems