I.M.T: Interface Multigrad Technology Ltd. - Supplies devices for cryopreservation or vitrification of sperm, ova, stem cells, and other tissues. In Merhavia, Israel.

Nalge Nunc International - Products for cryogenic storage: CryoTube vials and barcodes.

Celox Laboratories, Inc. - Specialty: high quality serum replacers and DMSO/serum free cryopreservatives for human and other mammal cell cultures. In St. Paul, MN.

BAL-TEC AG - Manufactures sample preparation products for life science and material science: coating systems, high pressure and jet freezers, freeze-fracture, cryo transfer, freeze substitution and ion milling systems. In Liechtenstein, with representatives world-wide.

Biogenics - Supply and service of instruments and equipment for the cryobiological specialty sciences and the fields of assisted reproductive technologies. Sales reps for most of the major brands of containers and instrumentation. In Napa, California.

Asymptote Ltd. - Produces products and technology to control solidification: freezing and crystallizing. Information and products in areas of cryopreservation for IVF, bulk cell cryopreservation, freeze drying, food freezing, pipe scale deposition. In Cambridge, England.

CryoLogic Pty. Ltd. - Makes Freeze Control cryopreservation systems for biotic tissue samples, and BioTherm portable incubators. Represented in many countries. Home: Mount Waverley, Victoria, Australia.

Locus Technology, Inc. - Makes Cryo: cryopreservation data manager database.

phiTec Ltd. - Supplies equipment for cell culture, low temperature storage, cryopreservation, and centrifugation to U.K. market. Includes carbon dioxide incubators, various temperature freezers, blood bank equipment, vacuum pumps, and anaerobic systems. In Milton Keynes, England.

Freezing fungi germ plasm in liquid nitrogen. - Research suggestions from the INVAM Culture Collection at West Virginia University.