Established in 1966, Tri State Envelope Corporation has manufacturing facilities in Ashland in Pennsylvania, Beltsville in Maryland and Wapello in Iowa. The company produces more than 25,000,000 envelopes daily. It provides products in various sizes and colors. Tri State Envelope Corporation has die-cutting, printing and converting capabilities. The company provides products in paper, printing and window configurations. It has an envelope folding department that offers fabrication solutions.