Associated Food Stores is an American retailers cooperative that supplies about 500 independently owned retail supermarkets throughout Utah, Arizona, Idaho, Colorado, Montana, Oregon, Nevada, and Wyoming.
Associated Wholesale Grocers, Inc. (AWG) is the United States's largest cooperative food wholesaler to independently owned supermarkets, grocery serving more than 3,500 locations in 35 states and from 9 full-line wholesale divisions.
 The consolidated run-rate sale for AWG is $10 billion.
 In addition to its cooperative wholesale operations, the company also operates subsidiary companies which provide certain real estate and supermarket development services, retail accounting, digital marketing services, military commissary supply, and is a wholesale supply provider of health and beauty care, general merchandise, specialty/international foods and pharmaceutical supply.
 It was founded in 1924 as Associated Grocers of Kansas City and is based in Kansas City, Kansas.
 Associated Wholesale Grocers distributes four private-label brands of grocery products, "Best Choice", "Clearly Organic", "Always Save", and "Superior Selections" along with "IGA".
Foodland is an Australian supermarket brand with 120 locations, primarily in South Australia, but also in the Northern Territory.
 Foodland is owned by IGA (Australia).
 The stores are independently owned and operated, although several operators own multiple stores, the largest groups being Drakes Supermarkets, Romeo's Retail Group, Commercial Retail Group and Eudunda Farmers.
 Drakes Supermarkets own over 40 supermarkets, while Romeo's Retail Group is the second largest owner with 20 plus supermarkets branded as Foodland, as well as others branded IGA and SupaIGA.
Associated Foods Holdings, also referred to as Associated Food Stores, Associated Supermarkets or Associated, is the largest group of independently operated supermarkets based in the New York metropolitan area.
 Associated provides services to a network of approximately 250 independent grocery retail stores that was formerly predominantly located in New York City.
 The company has stores on Long Island, in Upstate New York, New Jersey, Connecticut, Massachusetts, Rhode Island, North Carolina, South Carolina, Pennsylvania, and Virginia.
 Associated Foods owns the banners Associated and Compare, which are both known to cater to the Hispanic and other ethnic demographics.
 Associated and Compare stores carry ethnic products and its private label brands Super A and Compare.
SuperFresh is a supermarket brand owned by Key Food Stores which operates in suburban areas of New York City and Northern New Jersey.
 The company currently operates 10 supermarkets.
ShopRite Supermarkets (formerly Shop-Rite and Shop Rite) is a retailers' cooperative (co-op) of supermarkets in the northeastern United States, with stores in New Jersey, New York, Connecticut, Delaware, Maryland, and Pennsylvania.
 Based in Keasbey, New Jersey, ShopRite consists of 48 individually owned-and-operated affiliates with over 296 stores, all under its corporate and distribution arm, Wakefern Food Corporation.
 Wakefern itself owns and operates 33 of the locations through subsidiary ShopRite Supermarkets, and is the largest affiliate in the cooperative.
 Several Wakefern members own and operate single ShopRite stores, while most own multiple locations.
 The average Wakefern member operates 6 stores.
SavaCentre was a chain of 13 hypermarkets and later a further seven discount supermarkets owned and operated jointly by Sainsbury's and BHS, beginning in 1977.
 Sainsbury's later took full control of the stores alone in 1989, rebranding them as Sainsbury’s SavaCentre, until 2005 when the stores were integrated into the Sainsbury's supermarket brand.
 The hypermarket stores ranged in size from 66,000 sqft to 117,000 sqft and the discount supermarkets ranged in size from 31,000 sqft to 70,000 sqft .
 At the time of its inception, it was the only dedicated hypermarket chain in the UK.
Red & White Corporation is a chain of independently owned and operated food stores operating in the United States.
 While it has been supplanted by supermarket chains in many of its locations, its signature red dot logo with the words Red & White can still be found on small independent grocers in many states.
Key Food Stores Co-op, Inc. is a cooperative of independently owned supermarkets, founded in Brooklyn, New York on April 20, 1937.
 Its stores are found in Connecticut, New Jersey, New York, and Pennsylvania.
 The headquarters for the Key Food cooperative is on Staten Island; the Chief Executive is Dean Janeway.
 The cooperative also operates stores under the Key Food Marketplace, Key Fresh & Natural, Food Dynasty, Urban Market, Food World, Food Universe Marketplace, SuperFresh, and The Food Emporium banners.
Western Family Foods was founded as the Pacific Mercantile Cooperative on March 3, 1934, by a group of retailer-owned grocery wholesalers.
 Western Family Foods was established December 19, 1963.
 The company supplies independent grocery stores with store brands.
 It is based in Tigard, Oregon.
 It distributes the Western Family, Shurfine, Shursaving, MarketChoice and Better Buy brands which are used in many independently owned supermarkets. On June 13, 2016 Western Family Foods announced that they had been acquired by Topco and plans to close their Tigard office by the end of 2016.

Question: SuperFresh is a supermarket brand owned by Key Food Stores Co-op, Inc. is a cooperative of independently owned supermarkets, founded in Brooklyn, New York on which date?
Answer: April 20, 1937