Tension Envelope is one of the country's leading manufacturers selling directly to companies and organizations. We make many of the envelopes you see in the mail each day and many that you handle each week, such as our broad line of photo packaging envelopes. Our products range from standard sizes and styles of mailing envelopes to unique specialty envelope products. We manufacture over 11 billion envelopes a year in 11 plants from coast to coast, and we service our customers from 35 sales/service offices located in major markets.
