Structure of NAICS Code 488 - Support Activities for Transportation
Hierarchy
Each industry is classified hierarchically, starting from broad (3-digit) to specific (4-, 5-, 6-digit) codes, including extended 8-digit codes for detailed classification. Click on each category link to navigate to detailed pages with comprehensive industry information.
Categories
General
Specific
Hierarchy
3-Digits
4-Digits
5-Digits
6-Digits
4881 - Support Activities for Air Transportation
4882 - Support Activities for Rail Transportation
48831 - Port and Harbor Operations
48832 - Marine Cargo Handling
48833 - Navigational Services to Shipping
48839 - Other Support Activities for Water Transportation
4883 - Support Activities for Water Transportation
4884 - Support Activities for Road Transportation