Rising Mist Organic Farm
- Organic farm selling composting red worms, worm castings, soil amendments, and informative book on worm bins.
- http://www.wackyworldsof.com/

VermiCo Earthworms and Castings
- Supplier of red worms, earthworm castings, bins, and supplies. Also has vermicomposter consultants.
- http://vermico.com/

Worm World
- Pennsylvania grower. Sales and information on red worms, worm castings, vermicomposting units and worm books.
- http://www.wormwrld.com

Vermitech
- Offers large-scale vermicomposting technology for processing sewage and similar organic waste.
- http://www.vermitech.com

Suza's Farm for Homeless Worms and Cats
- Information on composting, soil, raising worms, roses, insects, gardening.
- http://home.earthlink.net/~suzaplants

Worm Man's Worm Farm
- Offers composting worms, supplies, free bin plans, and information.
- http://www.wormman.com/

Unco Industries, Inc
- Offers nightcrawlers, castings, and vermiculture training
- http://www.vermiculture.com

Uncle Jim's Worm Farm
- Worm raising instructions, catalog of products, and discussion forum.
- http://www.unclejim.com/

Three Trees Farm - Red Wigglers
- Offers worms, worm castings, information, solar energy products, and consulting services.
- http://www.redwiggler.com

Marcia's Vermiculture Composting
- Sales of worms, bins and other equipment for vermiculture.
- http://www.wormpoop.com/

Magic Worm Ranch
- Instructions for creating a worm-bin, FAQ, gardener tips, and composting products for sale.
- http://www.magicworms.com/

Happy D Ranch Worm Farm
- Offers worms, equipment and materials, products. Also links and information.
- http://www.happydranch.com/

Dort Worm Farm
- Oregon farm that provides brandlings, worm compost, and compost starter kits.
- http://www.dortworms.com/

Creekside Gardens
- Offers advice and sells red worms, perennial plants for ornamental landscape, culinary and medicinal herbs, and water garden plants.
- http://www.wormlady.com