Table 1.

Primary NAIC and SIC codes used to select grocery stores in Reference USA.

Category name	NAICS code	SIC code
Grocery stores	445,110 (supermarkets)	541,101 (food markets)
		541,105 (grocers)
		541,104 (food products retail)
		541,108 (grocers–health foods)
		539,901 (super markets and grocery stores)
Specialty food stores	445,299 (all other specialty food stores)	5499 (specialty food stores)
Warehouse clubs	452,910 (warehouse clubs and supercenters)	531,110 (wholesale clubs)

NAIC North American Industry Classification System, SIC Standard Industrial Classification System