Here is the website for Kitchen Culture Kits:
http://www.kitchenculturekit.com
608-302-2750 FAX 608-868-2851
kck@turbonet.com
Carol Stiff, the Owner, conducts workshops throughout the country. If you have enough people, contact her if you're interested. She has a user's group called:
hometissueculture@yahoogroups.com
Keith Benson of Bananas.org has been a long time contributor to that forum.