I love to shop to Walmart I wonder if it is the largest corporation.
It depends on how you measure the size of a corporation. I believe that Apple is worth the most money amongst corporations.
But it must be in the top 10, I can't imagine a bigger grocery retailer. 
Yeah it's quite big. I like going to Walmart to people watch.
The corporation does not only operates Walmart, it also operates Sam's Club. I wonder which other store it operates.  
I know it just bought an online retailer in India to compete with Amazon. I can't remember the name though.
y Centroamérica in Mexico and Central America, as Asda in the United Kingdom, as the Seiyu Group in Japan, and as Best Price in India. It has wholly owned operations in Argentina, Chile, Canada, and South Africa. Since August 2018, Walmart only holds a minority stake in Walmart Brasil, with 20-percent of the company's shares, and private equity firm Advent International holding 80-percent ownership of the company.
Walmart is the world's largest company by revenue, over US$500 billion, according to Fortune Global
GURPS Vehicles" is admirably flexible and enables you to design pretty much anything you like" however he concluded: "you can't help but wonder just how this book's going to be useful. Certainly, if you're running a vehicle-heavy campaign, and want some degree of consistency in the designs, or intend to allow your players to build custom vehicles, then "GURPS Vehicles 2nd Edition" will be very handy indeed. For most campaigns, though, I can't imagine it's going to be required