NAICS - the North American Industry Classifciation System - is an industry standard that categorizes the various industries in North America, and is used to help define the major characteristics of each industry.
For help with NAICS codes consult these useful websites:
Do you want to take your business idea to the next level? Try looking for industry statistics:
Example: If there is nothing listed for the keyword yoga, try exercise. If you are looking to find information on yoga clothing, try retail clothing. There is an entry for : Athletic Clothing, Retail (NAICS 448199).