A printing press is a company that can make prints to invitation cards, newspaper, magazine, paper bags, cartons and to other items, depending on the company’s machines.
There are non-digital and digital machines. Most machines used by printing press nowadays are of digital type. If you need anything printed, find a local printer near you.
There would be a minimum number of pieces to order for those that are not tarpaulin, banner, big images. Those that need a minimum piece to order are invitation cards, prints to carton, to paper bags, to leaflets, etc.