Walmart is a one stop shop market.
used as slang to describe everything from Web sites to TV shows where people can find most of what they need, including information, in one place.
UK local government.
Local authorities in the United Kingdom use the term to describe the facility they offer for their residents to discuss and arrange services with officers of the authority. They are promoted on the idea that they provide a single point of contact but they are also designed from a security point of view to restrict public access to the town (city, etc
response to the outcry, New England-based CVS Pharmacy and Tedeschi Food Shops banned their stores from carrying the issue. Also refusing to sell the issue were 
Walgreens; 
Rite-Aid and Kmart; Roche Bros. and Stop & Shop; 
H-E-B and Walmart; 
7-Eleven; 
Hy-Vee, Rutter's Farm, and United Supermarkets; 
Cumberland Farms and Market Basket; 
and Shaw's.
Boston mayor Thomas Menino sent a letter to "Rolling Stone" publisher Jann Wenner