The entrance of Sainsbury's into the Egyptian market last year alarmed both small grocers and competing Egyptian chains.

ECONOMIST: Cairene shoppers�� intifada

National Supermarket Association represents independent supermarket owners, including many Dominican immigrants who started as small grocers in New York's Hispanic neighborhoods.

WSJ: Immigrants Keep Small-Business Faith

When a new supermarket enters an area, the watchdog found, although the number of small grocers fell, the number of bakers increased.

ECONOMIST: Competition in retailing

Walgreens, Supervalu, Walmart and several small grocers announced a commitment to build or expand 1, 500 stores in communities with limited or no access to healthy food.

WHITEHOUSE: Our Top Stories

The owner of a small Florida farm might sell crops to a large nearby distributor, for example, who might then distribute them to grocers across the country.

FORBES: One-Two, The Court Backs International Shoe