The MeadWestvaco Envelope Products Group, also known as EPG, maintains a network of more than 15 plants, print centers, sales offices and distribution facilities throughout the United States. In operation for more than 100 years, it is one of the largest producers of envelopes in the world. The group manufactures more than 25 billion envelopes annually. The MeadWestvaco Envelope Products Group prints and distributes envelopes for commercial and retail applications. The group serves several financial institutions, utilities, insurance companies and government agencies. It also produces and markets other packaging products and paper drinking cups. The MeadWestvaco Envelope Products Group offers online ordering services. The group is a part of MeadWestvaco.