Groupon is a deal-of-the-day website that offers its users with discounted gift certificates usable at local or national companies.
Macy's is a retail company which provides stores, an e-commerce site, and a mobile app.
eBay is an online auction and e-commerce marketplace, enabling people and businesses to buy and sell goods and services.
Etsy is an e-commerce site and a smartphone application for buying and selling handmade and vintage items.
Ocado operates as an online grocery retailer.
Gap is a retailer offering clothing, accessories, and personal care products for men, women, and children.
Target Corporation operates as a general merchandise retailer.
Amazon is an electronic commerce and cloud computing company.
Shopify is a cloud-based, multichannel commerce platform designed for small and medium-sized businesses.
Farfetch is an online fashion retail platform that sells products from various boutiques and brands.
PayPal is a technology platform company that enables digital and mobile payments on behalf of consumers and merchants worldwide.
Costco Wholesale Corporation operates membership warehouses.