When doing business research, it is useful to obtain the NAICS and SIC codes. The links below will help you find the codes for specific types of industries. Using the search term coffee identifies the following as potential codes:
NAICS 722213 Snack and Nonalcoholic Beverage Bars ; SIC 5812 Eating Places (snack and nonalcoholic beverage bars)
NAICS 311920 Coffee and Tea Manufacturing ; SIC 2095 Roasted Coffee
There are also other NAICS codes that might be relevant. Use the NAICS search interface to find them.
The NAICS code should be used to retrieve statistical information produced by the Census since 1997. You can also use it to search in some databases.
You can use NAICS codes to find Industry reports in IBISWorld and First Research.