Welcome to the Event Center 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 convention or event center is a large building that is designed to hold a particular event or convention, where individuals and groups gather together to promote and share common interests. Convention centers typically offer sufficient floor area to accommodate as many as several thousand attendees.