Welcome to the Delivery Service group of SmartGuy.com. Feel free to interact with other professionals from across the world. You can find professionals, find deals on services, find professionals who might barter, or simple post questions, comments, or suggestions. A delivery service is beneficial to both consumers and business professionals. A package delivery or parcel delivery service ships containers, parcels, or high value mail as single shipments. The service is provided by most postal systems, express mail, private courier companies, and others.