Conviron
   Product and sales information and profile of a company which manufacturers plant growth chambers.
   http://www.conviron.com/

Herbarium Supply
   Supplies for herbaria and field botanists. Based in Menlo Park, California.
   http://www.herbariumsupply.com/

PlantMedia.com
   Plant tissue culture media and equipment, growth hormones, and antibiotics
   http://www.plantmedia.com/

Tissue Quick Plant Laboratories, TQPL Supplies.
   Supplies worldwide to plant tissue culture and orchid industry, autoclavable aseptic venting technologies in PTFE, plant culture containers and specialist orchid media.
   http://www.tissuequickplantlabs.com