The e-commerce industry is made up of various key players, including online marketplaces (e.g., Amazon, eBay), online retailers (e.g., Walmart, Target), social media platforms (e.g., Facebook, Instagram), e-commerce platforms (e.g., Shopify, WooCommerce), and logistics providers (e.g., FedEx, UPS). These players impact the market by shaping consumer behavior, setting industry standards, and driving innovation.