Birkner International PaperWorld
- Company directory of manufacturers, processors and converters of paper and paper products. Also available on CD-rom and in bookform. Forum. Extensive list of links to related sites. Multi-lingual site.
- http://www.paper-world.com/paperworld/jsp/nomenklatur.jsp?sprache=uk&menue=10&nomen=56

Birkner - International PaperWorld
- Search engine and worldwide directory of the paper industry. Company profiles, product categories in print, cd-rom and internet versions.
- http://www.paper-world.com

Paperloop.com
- Global information and business exchange for the paper, printing and converting industries.
- http://www.paperloop.com

Dieter Freyer Handmade Paper
- Categorised directory for the history of paper and the papermaking process, paper museums, handmade papermakers, guides for homemade paper, and paper arts. Also, directories and glossaries of terms. English and German.
- http://www.meduniwien.ac.at/user/dieter.freyer/handpaper/

Recycler's World - Waste Paper Recycling
- Directory of companies involved in recycling, and trade of recycled waste paper. Also, paper recycling machinery and equipment, and associations and publications related to the recycling industry.
- http://www.recycle.net/Paper/index.html

Paperfiber.Com
- Categorised company directory for the pulp and paper, and the printing and packaging industries. Manufacturers and recyclers, wholesalers and distributors, resources, educational links and publications.
- http://www.woodfibre.com/paper/index.html

Papermill.com
- Directory of new and used paper mill equipment, machinery, and parts for the paper making industry.
- http://www.papermill.com/

Directory of Forest Products
- Comprehensive directory of forest products and pulp and paper related links to manufacturers, associations, academic and research institutions, commercial services providers, mailing lists, government agencies, statistics, financial information, sustainab
- http://www.forestdirectory.com/