Alkaloids of Australia
Hyoscine (scopolamine) supplier.
http://www.alkaloids.org/

Southern Herbals Limited
Manufacturers of anti-cancer botanical alkaloids.
http://www.shl.4t.com/

Ancistrocladus
Information from Wikipedia on this genus of twining, climbing plants from the tropics, some of which contain alkaloids which may have therapeutic uses.
http://en.wikipedia.org/wiki/Ancistrocladus

Lipshutz Group
The Lipshutz Group UCSB Department of Chemistry and Biochemistry
http://www.chem.ucsb.edu/~lipshutzgroup/index2.shtml

Tasmanian Alkaloids
Australian producers of poppy seeds. Company profile, poppy seed details, and contact links.
http://www.tasalk.com.au

Alkaloids Corporation
Alkaloids corporation are manufacturers of phytochemicals, herbal extracts, nutraceuticals and suppliers for active pharmaceutical ingredients / intermediates, the manufacturing facilities are located at kolkata, hyderabad, pune in india.
http://www.alkaloidscorp.com/

Latoxan
Latoxan supplies above 200 different venoms from snakes, batrachians, scorpions, spiders and other arthropods species. Venoms are usually available in quantities varying between 10 milligrams and 10 grams for Research, Drug Discovery and Drug Manufacturering.
http://www.latoxan.com/

Hudlicky Group
Brock University, Department of Chemistry
http://www.brocku.ca/chemistry/faculty/Hudlicky/group.html

Boraginaceae
Information about uses to which members of this family have been put including in herbal medicine. Also information on the alkaloids some members produce which may be toxic or cause skin irritation.
http://bodd.cf.ac.uk/BotDermFolder/BotDermB/BORA.html

Trost Group
Design of new reactions and reagents. Catalysis. New synthetic strategies towards complex natural products. Targets include b-lactam antibiotics, ionophores, steroids and related compounds, alkaloids, nucleosides, carbohydrates, and macrolide, terpenoid, and tetracyclic antitumor and antibiotic agents.
http://www.stanford.edu/group/bmtrost/index.html