The lexicon of the top500 ( The Encyclopedia for Classification Codes ) explains the codes and definitions in the world of economical classifications.
NAICS Code 7115 Independent Artists, Writers, and Performers
The NAICS Code 7115 is described as
Independent Artists, Writers, and Performers It belongs to the code group
NAICS Code 711 Performing Arts, Spectator Sports, and Related Industries
To this Code "7115" belongs the sub codes
NAICS Code 71151: Independent Artists, Writers, and Performers