Cryogenic treatment (deep tempering) for motor sports, firearms, softball bats, golf clubs, and musical instruments. In Decatur, IL.

Home of William "Bill" Bryson, metallurgist who specializes in the theory and practice of cryogenic and heat treatment of materials. Author of a technical book on each subject. Also provides cryogenic processing services and sales of cryogenic and heat treatment equipment. In Union, New Hampshire.

Cryogenic processing of materials, including tools, auto parts, and rifle barrels. One page has a useful research article with photographs. In Moscow, PA.

Microprocessor controlled deep cryoheat treatment of tool and high speed steels. Custom cryoprocessor design and fabrication. In Waukesha, WI

Good basic article on how cryogenic processing works. Author unknown. Date, circa 1998.

Cryogenic tempering of brake rotors for automotive road racing and manufacturer of racing brake pads. In Ft. Lauderdale, Florida.

Custom-built cryogenic systems and treatment of items to increase strength and durability. In Largo, FL.

Cryogenic processing for racing and many industrial applications, including tools and firearms. In Chicago and Rockford, IL, Charlotte, NC, and Waltharn, MA.

A company that specialzes in cryogenic metal processing. In Mobile, Alabama.

Sale of cryogenic processors to Asia and Pacific areas. Also provides cryoprocessing services at several sites throughout New Zealand.

DMP manufactures industrial cryogenic tempering systems for both high-temperature and low-temperature use.

Deep Cryogenic Tempering (DCT) of metals, alloys, and other synthetic materials. The only publicly traded Cryogenics company (OTC BB:CRYQ). In Ogden, Utah.

A manufacturer and distributor of cryogenic processing equipment, which licenses its techniques to companies in several states. In Lenexa, KS.

Specializes in deep cryogenic tempering, extending the useful life of tools, metal parts, plastics and other materials. In Cedar Rapids, IA.

Provider of Nitrofreeze Cryogenic Tempering services for industrial, commercial and recreational applications. Site includes Application Notes and Technical Articles on cryogenic tempering. In Worcester, MA. Site not currently viewable with some versions of Netscape.

Cryogenics International manufactures deep cryogenic treatment systems and provides cryogenic processing for automotive racing engines, tools, musical instruments, etc. In Scottsdale, AZ

Thermo tempering of metals for maximum performance, durability, and life. In Zionsville, IN.

Cryogenic treatment of all metal tooling, stamping dies, gun barrels, engine components, brass instruments. To make them more wear resistant. In Wooster, Ohio.

Temper-Master cryogenic processor manufacturing and tempering. Improves durability and performance of tools, musical instruments, and gun barrels. In Springfield, MO.

A detailed discussion of the pros and cons of cryogenic treatment, from Cold Facts, the quarterly magazine of the Cryogenic Society of America, Spring 1996.

Cryogenic processing of equipment. Has a nicely detailed overview of the company's Vari-Cold cryogenic process and equipment. In Spruce Grove, Alberta, Canada.

Cryogenic Processing improves the life of your guns, engines, instruments, and tools. Located in Minneapolis, Minnesota, United States.

Cryogenic treatment of metals, especially engine parts. In South India.

Deep cryogenic processing and tempering of all your tooling and wear parts. In York PA.

Deep Cryogenic Processing of most ferrous and non-ferrous materials to increase durability and wear resistance. Located in Suffolk, England

Cryogenic processing of tools, sports equipment, etc. at -120 and -300 Deg. Also offers service in thin film industrial coatings. In Lapeer, Michigan.

A cryogenic tempering treatment company that increases the life of tools, equipment, parts and materials. In Calgary, Alberta, Canada.

Leading Edge Cryogenics has pioneered cryogenic process engineering, with three patents on the process used to treat spark plugs, brake pads, and orthopedic devices. In Camp Verde, Arizona.

Computer-controlled cryogenic processing and heat treating services that enhance steel performance for tooling, motor sports, knives, and firearms. Site also explains the science supporting cryogenic processing. In Driftwood TX.

Cryogenic processing of metals, composites, electronics and some polymers. In Littlerock, California.

Cryogenic tempering treatment services for auto racing, tooling, firearms, golf clubs and musical instruments - Seattle, Washington and Wasilla, Alaska

1994 technical article (from the journal ISIJ International) which investigates the wear resistance and the microstructure of tempered alloy tool steels after cryogenic treatment.

TechSpec Inc. is a Deep Cryogenic Treatment Center, which improves the performance of musical instruments, tools, dies, guns, golf clubs, bearings, engines, hammermills, and rotors. In Kansas City MO.

Machine tool sales and service. Also offers cryogenic treatment of tools to make them last longer. In Waco, Texas.

Specialists in the cryogenic freezing of musical instruments. Very good explanation of the process. In Arlington Heights, Illinois.

Cryogenics and integrated thermal coatings for engine parts, industrial tools, and sporting equipment. In White City, Oregon.

Deep cryogenic processing of heat-treated steel, carbide, machine parts, auto parts, firearms, musical instruments, and some plastics. In York, PA.