Trader Joe's Trader Joe's Trader Joe's is an American chain of grocery stores based in Monrovia, California. By 2015, it was a competitor in "fresh format" grocery stores in the United States. As of October 12, 2017, Trader Joe's had 474 stores nationwide in 43 states and in Washington, D.C. The first Trader Joe's store was opened by founder Joe Coulombe in 1967 in Pasadena, California. Starting in 1979, it was owned by German entrepreneur Theo Albrecht, until his death in 2010, when ownership passed to his heirs. Trader Joe's is a subsidiary of German supermarket chain ALDI Nord. The company has
Dia (supermarket chain) Dia (supermarket chain) Distribuidora Internacional de Alimentación, S.A. (DIA) is a Spanish international hard-discount supermarket chain founded in 1979 which as of 2012 operates 6,914 stores internationally, making it Europe's third largest food sector franchiser. It has also owned Schlecker in Spain and Portugal since 2013. The company is headed by the Venezuelan-born Ana María Llopis. Dia is a discount supermarket chain which follows a policy of reduction of prices by means of minimizing operational costs. The furniture and decoration of the store are minimal. Costs are also reduced by limiting the choice of products to a narrow selection of