EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT STATE OR OTHER JURISDICTION OF INCORPORATION OR NAME ORGANIZATION ---------------------------------- ------------------------------ 1. SFI of Delaware, LLC Delaware 2. United Envelope, LLC Delaware 3. Data Business Forms Limited Canada 4. Hano Document Printers, Inc. Virginia 5. Huxley Envelope Corp. New York 6. Pocono Envelope Corp. Pennsylvania 7. Rex Envelope Co., Inc. New York 8. Astrid Offset Corp. New York 9. 3303471 Canada Limited Canada 10. 1186202 Ontario Limited Canada 11. SFI of Puerto Rico, Inc. Delaware