The links below will help you find other relevant codes you may want to identify. You can also find NAICS and SIC codes by looking at the industry information for a company in a database like Mergent Intellect. Some NAICs and SIC codes include the following:
Sporting and Athletic Goods Manufacturing (NAICS: 339920; SIC: 3949)
Sporting Goods Retailers (NAICS: 459110; SIC: 5941)
Sports Teams and Clubs (NAICS: 711210; SIC: 7941)
You can also use NAICS and SIC codes to find Industry reports from First Research. Use NAICS codes to search IBISWorld.