MushroomTroll
- Sells biospheres, spores, substrate, and books.
- http://www.mushroomtroll.com/

Mushroom Spore Prints
- A catalog of spore prints and woodrose.
- http://www.mushroomspores.com

Psychedelic Cafe
- Sells mushrooms, spores, kits, psychedelic spore trading, supplies and instructional CDs.
- http://www.sporetradingpost.com/psychedelic_cafe.htm

Pet Fungus
- Sells various species plus growth supplies, equipment, and books.
- http://home.teleport.com/~lndscape/pf_home.htm

Earth's Tongue
- Supplier of spores and growing kits, including psilocybe cubensis, azurescens, tampanensis, and mexicana. Also sells prints and syringes.
- http://www.earthstongue.com/

Fungi Perfecti
- Specializes in the distribution of cultures, tools, and technologies for the cultivation of gourmet and medicinal mushrooms.
- http://www.fungi.com/

The Hawk's Eye
- Sells mushroom spores and offers growing guides and tips.
- http://www.thehawkseye.com