Article: 50515

Overview 

Ohio business codes for tax filing purposes are based on the NAICS (North American Industry Classification System) and are used to describe your primary business activity on forms such as the IT-1040 Schedule C, IT BUS, and others. 

Access the Business Code List 

You can view the full list of acceptable codes in this PDF provided by the Ohio Department of Taxation: 

Download the Business Code List (NAICS Codes for Ohio) 

Example Categories 

Industry	Code
Retail Clothing Store	448140
Landscaping	561730
Real Estate Agent	531210
Child Day Care Services	624410
Computer Programming	541511
Independent Consultant	541611
Truck Transportation	484121