Question: The company that is the owner of Jr. Food Stores has been in business since what year?

Context paragraphs:
Houchens Industries: Houchens Industries, is an American employee-owned company, in business since 1918 when it began as a small grocery operated by founder Ervin Houchens in rural Barren County, Kentucky.  The company is headquartered in Bowling Green, Kentucky.  The company runs about 425 grocery and convenience stores.  Sales in 2006 were just under $2 billion., with approximately 10,500 employees.

Paul K. Keene: Paul K. Keene (October 12, 1910 – April 23, 2005) was one of the first organic farmers.  He was the owner of Walnut Acres, in Penns Creek, Pennsylvania.  There he produced various food products sold nationally in health food stores and via a mail-order catalog.  The foods included free-range chicken; peanut, apple, and other butters; and granola.  He was one of the pioneers of the idea of growing food without pesticides or chemical fertilizers.

Red Food: Red Food Stores, Inc. (or simply Red Food) was a supermarket chain company headquartered in Chattanooga, Tennessee.  It operated stores mostly in northwest Georgia, northeast Alabama, and southeast Tennessee.  Around 55 stores were operated in the same three states.  According to The Chattanoogan, Red Food was a longtime icon in Chattanooga history.

Giant-Carlisle: Giant Food Stores, LLC is an American supermarket chain that operates stores in Pennsylvania, Maryland, Virginia and West Virginia under the names of Giant and Martin's.  Giant is a subsidiary of Netherlands-based Ahold Delhaize.  Giant Food Stores are often referred to as Giant-Carlisle to distinguish it from sister company Giant-Landover.  A big difference between Giant of Landover and Giant of Carlisle is that the Landover Company is unionized while Giant of Carlisle is non union with the exception of stores in the Lewistown and Philadelphia areas of Pennsylvania.

Food Marketing Institute: The Food Marketing Institute (FMI) is an American food marketing organization that conducts food safety, public affairs, education, research, and industry relations programs for food retailers and wholesalers.  FMI’s U.S. members operate nearly 40,000 retail food stores and 25,000 pharmacies, representing a combined annual sales volume of almost $770 billion.  Through programs in public affairs, food safety, research, education and industry relations, FMI offers resources and provides valuable benefits to more than 1,225 food retail and wholesale member companies in the United States and around the world.  FMI membership covers the spectrum of diverse venues where food is sold, including single owner grocery stores, large multi-store supermarket chains and mixed retail stores.

Jr. Food Stores: Jr.  Food Stores is a chain of convenience stores operating in south central Kentucky and northern Middle Tennessee, with approximately 41 retail locations.  It is owned by Houchens Industries.

Fleming Companies, Inc: Fleming Companies was founded as Lux Mercantile in Topeka, Kansas, in 1915 by O. A. Fleming, Gene Wilson and Samuel Lux.  In 1941, the company name was changed to The Fleming Company, and Ned Fleming was named President, Chairman, and CEO.  The company's IPO occurred in 1959, when 100,000 shares were offered.  In 1981, R. D. Harrsion was elected Chairman and CEO of the company, with Dean Werries serving as President and COO.  Fleming Companies grew to become the nation's largest supplier of consumer packaged goods to U.S. retailers, serving approximately 50,000 retail locations.  These locations included supermarkets such as IGA, convenience stores, supercenters, discount stores, concessions, limited assortment, drug, specialty, casinos, gift shops, military commissaries and exchanges and others.  In the early 1990s, Fleming was the largest food wholesaler in the United States.  The company served more than 3,500 supermarkets and other retail food stores in 42 states and the District of Columbia.

Skin Food: Skin Food () is a South Korean skincare and cosmetics manufacturer and retailer, headquartered in Seoul.  The owner of the company has been involved in the skincare business since 1957.  The main concept of the company is to create products with nutritional values of food.  The company slogan is "beauty food for the urban sweety".

Key Food: 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.

AMCON Distributing: AMCON Distributing Company is an American retail and wholesale consumer commodities sales and distribution company.  Their wholesale products, which include processed and perishable foods, as well health care and tobacco products, are distributed to stores, supermarkets, and outlets primarily in the Rocky Mountains and southern regions of North America.  The company operates two segments including wholesale distribution segment and retail segment.  The company also operated sixteen retail health food stores in Florida and the Midwest.  The company operates 4,500 convenience stores and 16,000 different products.  In October 2012, it was ranked as the ninth largest convenience store distributor in the United States based on its annual sales.

Supporting paragraphs: Jr. Food Stores Houchens Industries
Answer: 1918