Presort First Class Inc. is a service provider for business mailings located in Oklahoma City, Okla. The company offers a complete array of digital printing and data processing services. In addition, Presort First Class Inc. provides statement and invoice printing, newsletters and postcards, as well as personalized laser letters with variable data digital color printing. The company processes an average of 500,000 letters per day and has designation as a Detached Mail Unit (DMU) of the USPS. Presort First Class Inc.s vast supply of letter-shop equipment and services manages mailing projects, including inserting, inkjet addresses, labels and manual processing, among others.