Commercial printing companies which print business cards require business card slitters as part of their cutting supplies. These special paper cutters for use with business cards are available in many places on the Internet.

CFS Bindery Supplies
CFS Bindery Supplies 2315 Meredith Ln., Suite D Santa Maria, CA 93455 Toll-free: 1-888-237-3221 sales1@cfsbinds.com Welcome to CFS Bindery Supplies, your on-line store for bindery equipment a
http://www.copyfinishing.com/slitters1.htm
iShopit.com
iShopit.com offers wholesale pricing on printing supplies and paper handling machines designed for numerous applications.
http://www.ishopit.com