From Business: Founded in 1984 and based in Aurora, Ill., Diamond Envelope Corporation is a direct mail and full-service envelope manufacturer. The company serves a variety of customers…

From Business: Continental Envelope, located in Geneva, Ill., is a full-service vendor that offers a wide range of envelopes in various diagrams and size specifications. The company provides…

From Business: Operational since 1983, Envelopes Only Inc. is a mid-size company providing a complete line of standard envelopes, custom envelopes and letterheads to large and small…