Great Value is the largest private brand at Walmart. Grocery products from Great Value, with brands such as Equate (pharmacy), Mainstay (low-cost furniture and bedding), Ol’Roy (dog food), Dr Thunder (soft drink) and Parent’s Choice (baby products) bring in close to 40% of the big-box retailer’s revenues of $421 billion. Similarly, UK-based retail giant Tesco earns 50% of its £64 billion revenue from private brands. Its two private labels Tesco Value and Tesco Finest are worth £1 billion each.