CryoLife Inc. Probably the U.S. leader in research and cryopreservation of heart valves for transplant. Also preserves vascular tissue for heart bypass and vascular resonstruction, and connective tissue (tendons). Is also doing research in surgical glues. http://www.cryolife.com/

Biothermal Sciences Laboratory, U. of Illinois at Chicago Research on cryobiology, heat shock, and fever. http://www.uic.edu/~karlsson/bsl/

American Association of Tissue Banks Professional organization for accreditation and information. http://www.aatb.org/

Cryobiology and Anhydrobiology - School of Physics,University of New South Wales, Sydney Australia Research and introduction by Associate professor Joe Wolfe http://www.phys.unsw.edu.au/RESEARCH/CRYOBIOLOGY/cryobiology.html

National Seed Storage Laboratory (NSSL) The section on "Preservation" discusses cryogenic storage. http://www.ars-grin.gov/ars/NoPlains/FtCollins/nsslmain.html

Accredited Tissue Banks List From the American Association Of Tissue Banks http://www.aatb.org/aatbac.htm

21st Century Medicine A research and development company in the fields of cryopreservation and ice control technologies for cryobiology and industrial uses. In Rancho Cucamonga, California. http://www.21CM.com/

Lyophilization Services of New England, Inc. Contract manufacturer providing lyophilization (freeze-drying) of products, both vial and bulk. In Manchester, New Hampshire. http://www.lyophilization.com/

Cryosite A company which provides secure off-site, ultra-low temperature and cryogenic storage for biological specimens. In Sydney, Australia. http://www.cryosite.com

Biolyph's Lyophilization Services Lyophilization (freeze-drying) and contract manufacturing of pharmaceutical and diagnostic products using LyoSpheres. In Hopkins, Minnesota. http://www.freeze-drying-lyophilization.com/

Cryopreservation Research Research on trehalose and cryopreservation at University of Wisconsin, Molecular Thermodynamics and Statistical Mechanics Group. Click on "Research." Includes a link to their nanolithography program. http://www.engr.wisc.edu/groups/mtsm/

Phase Technologies An organization dedicated to the lyophilization (freeze-drying) process that is used in the manufacture of pharmaceutical, biotechnology, and diagnostic products. Also provides lyophilization services. In Bala Cynwyd, Pennsylvania. http://www.phase-technologies.com/

BioMonde: Research and Development Bulgarian cryobiology researchers claim to have freeze-dried, stored, and transplanted "most of the vital organs." No details; claims appear to be of dubious credibility. Supposedly part of the Bulgarian Institute of Cryobiology and Lyophilisation. http://bio-monde.com/r&d.htm

LifeNet LifeNet is the largest, full-service, non-profit allograft Tissue Banking System in the United States. LifeNet is also a non-profit, federally-designated, Organ Procurement Organization providing donation systems for heart, liver, kidney, pancreas,lung, and other organs for transplant. http://www.lifenet.org/

Conservation of endangered animals by using sperm and embryo freezing A project to preserve several endangered mammals of far northern Europe, using cryopreservation. At the University of Kuopio, Finland. http://fibre.utu.fi/proj/35.htm

Cryo-By-Design Cryo-By-Design is an innovative company that offers quality instrumentation, manufactured by an award winning company, since 1992 for cryo-preservation and freeze-substitution. http://www.cryotrain.com

Cryobiology: Low temperature studies of biological systems A readable summary of the field of cryobiology by a college biology student, but with some confused opinions about the intent of the field. http://199.8.232.90/bio/Biol410/BSSpapers99/krista/Krista.htm

International Bioresearch Solutions IBS is a non-profit national organization that works with organ procurement organizations to place organs that are not suitable for transplant with medical researchers. http://www.researchtissue.org

Cryolab - Roskilde University Cryobiology laboratory at Roskilde University, Denmark. Concentration on cold adaptation in animals, with ongoing research in antifreeze proteins, microtubules, cryopreservation. http://virgil.ruc.dk/~cryolab

Ken Storey's Lab The "frozen frog" expert at Carleton University, Ottawa, Ontario, Canada. http://www.carleton.ca/~kbstorey/