|Headquarters||Boise, Idaho, U.S.|
|Number of locations||93|
|Key people||Gary Piva, Chairman
Steven Goddard, President/CEO
Richard Charrier, COO
David Butler, CFO
|Revenue||US$4.73 billion (2011)|
WinCo Foods, Inc. is a privately held, majority employee-owned American supermarket chain based in Boise, Idaho with retail stores in Arizona, California, Idaho, Nevada, Oregon, Utah, Washington, and Texas. It previously operated stores as Waremart Food Centers and Cub Foods (under a franchise agreement) until 1999. As of March 2014, it has 93 retail stores and four distribution centers with 14,200 employees.
In 1967, it was founded in Boise, Idaho as Waremart by Ralph Ward and Bud Williams. In 1985, an employee stock ownership plan purchased a majority interest of Waremart from the Ward family, giving Waremart employees an ownership stake in the company.
In January 1991, Waremart opened an 82,000 square-foot store in Boise to replace the two older Boise stores. At the time, Waremart was operating 16 stores in the Northwest and had reported annual sales of more than $300 million.
In 1999, Waremart changed its name to WinCo Foods. According to the company, the name WinCo stands for Winning Company; however, the company also notes (as a "fun fact") that it also references the first five states in which the company had stores (Washington, Idaho, Nevada, California, and Oregon).
In early 2009, it opened its first two stores in the Spokane, Washington, area. In October, 2009, WinCo expanded to Utah, adding two stores in West Valley City and Midvale. An additional Utah store opened in Roy on June 28, 2010. bringing the total number of stores expanded to Utah to five. WinCo previously operated stores in Utah under the Waremart banner prior to company's name change.
In January 2011, WinCo began signing leases for an expansion to Southern Nevada and Arizona. The chain opened stores in Las Vegas and Henderson, Nevada, on March 4, 2012. The company's first two Arizona stores opened on April 1, 2012 in the Phoenix area. The company has plans to open multiple locations in Texas, including the Dallas-Fort Worth area. In late 2014 it was announced that WinCo will enter the Oklahoma City metro market, starting with a store in Midwest City with plans to open multiple locations in the metro. 
WinCo Foods is based in Boise, Idaho. It was founded in 1967 and most of the company ownership is held by current and former employees through an employee stock ownership plan. WinCo currently operates four distribution centers in Woodburn, Oregon; Myrtle Creek, Oregon; Boise, Idaho; and Modesto, California, and has a total of just over 14,000 employees company-wide.
It reduces operating expenses by directly purchasing from manufacturers and farmers, not accepting credit cards, having basic stores, and not providing bagging service.
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- "Idaho's largest supermarket set to open Monday at Boise". Lewiston Morning Tribune. 1991-1-27. Check date values in:
- "Hidden Billionaire Found With Food Fortune in California". Boomberg. August 2013. Retrieved 22 September 2013. "In Tracy, California, WinCo accused Save Mart in 2007 of directing a lawsuit filed by neighborhood group Tracy First against the city for approving a new WinCo store, according to a state court document."
- "WinCo Makes Spokane Debut, Eyes Utah". Supermarket News. 2009. Retrieved 6/7/2012. Check date values in:
- "Winco Foods Building Utah Sites". Supermarket News. May 19, 2009. Retrieved 31 August 2013.
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- "WinCo Eyes Eastward Expansion". 8 August 2011. Retrieved 31 August 2013. "“WinCo opened a distribution center in Boise late in 2009, and it said at the time it needed 10 stores in Utah to make that facility efficient. It has opened five of those stores already, so it seems it is looking to capitalize on the move into Utah and then go into other areas before refocusing its efforts on Southern California.”"
- "WinCo grocery chain plans Arizona expansion". East Valley Tribune. 2011-1-23. Check date values in:
- "Attention shoppers: WinCo Foods opens 2 stores in Southern Nevada". Las Vegas Sun. 3/5/2012. Retrieved 6/7/2012. Check date values in:
- "WinCo to open new grocery stores in Phoenix". Phoenix Business Journal. 3/2/2012. Check date values in:
- Gene Trainor (2013-07-05). "WinCo picks site in North Richland Hills for supermarket". Star-Telegram. Retrieved 2013-07-07. "North Richland Hills is the third North Texas location selected by the company. A store at Sycamore School and Crowley roads in south Fort Worth is expected to open early next year, along with another in McKinney. The company had focused its business in seven Western states, including California, Oregon and Washington."
- "North Carolina grocer to open Dallas stores in Turtle Creek Village and near the Arboretum". The Dallas Morning News. 8/1/2013. Check date values in:
- Tuttle, Brad (7 August 2013). "Meet the Low-Key, Low-Cost Grocery Chain Being Called ‘Walmart’s Worst Nightmare’". Time. Retrieved 22 September 2013.