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Backstage Library Works Providing digitizing, retrospective conversion, cataloging, record upgrading in more than 100 languages, reclassification and related services, including complicated conversions and on-site scanning of irreplaceable source materials. http://www.marclink.com/main.html

Cassidy Cataloguing Services Offers cataloging services and consulting for law and business libraries. http://www.cassidycat.com/

Special Libraries Cataloguing Offers cataloguing services to special libraries, including corporate resource centers. http://www.slc.bc.ca/