Dr. Ph. Martin's (http://www.docmartins.com/)
(Salis International, Inc.)
301 Commercial Road
Suite H
Golden, CO 80401
Phone: 303-384-3588 or 800-843-8293 (Mon - Fri 9am - 4pm MST/MDT)
Fax: 303-384-0030

Dye Pro Services (http://www.dyeproservices.com/)
#14, 4816-35B Street SE
Calgary, Alberta T2B 3N1
Phone: (403) 273-9348
Fax: (403) 273-9371

Kemtex Educational Supplies (http://www.kemtex.co.uk/)
Chorley Business & Technology Centre
Euxton Lane
Chorley, Lancashire
PR7 6TE
Phone: +44 01257 230220
Fax: +44 01257 230225

RIT Dyes (http://www.ritdye.com/)
Phoenix Brands LLC
300 Atlantic Street, 11th Floor
Stamford, CT 06901
Phone: (203) 975-0351 or 866-794-0800 (Mon - Fri 8am - 4pm EST)
Fax: (317) 231-8050
Commonly found at craft and fabric stores.

BearyCheap's dye page - http://www.bearycheap.com/ezimerchant/prod1294.htm