Diamond Envelope Corporation is a family entrepreneurial business manufacturing and coordinating direct mail marketing produc ... ts. Our main focus and operation is envelope manufacturing with value added services available. Diamond Envelope’s mission is servicing our customer’s needs by being the best at delivering a high quality product on time, while meeting all of our customer’s expectations. We are always up for a new challenge. With our people, staff, equipment, knowledge and facility, we embark on new product lines to grow and differentiate for the future. Contact us with your new project idea today and we hope to fulfill whatever your need is! read more