Protolabs is an American 3D printing service company that provides rapid manufacturing of low-volume 3D printed, CNC machining-machined, sheet metal, and injection-molded custom parts for prototyping and short-run production. It has 6 manufacturing facilities in the United States and is headquartered in Maple Plain, Minnesota. It focuses on markets like medical devices, electronics, appliances, automotive and consumer products. The company is founded in 1999.