online shipping companies refers to businesses that specialize in shipping goods from online stores or platforms to customers. Online shipping companies include major carriers like USPS, UPS, FedEx, and DHL, as well as third-party services that help streamline the shipping process for e-commerce businesses. These companies offer a range of services, such as domestic and international shipping, freight services, express delivery, and package tracking. By working with online shipping companies, e-commerce retailers can optimize their logistics and provide reliable, cost-effective shipping solutions for their customers.