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Pelton Shepherd Industries

P.O. Box 30218
Stockton, CA 95213-0218

Manufacturing Facilities
Stockton, CA
Atlanta, GA
Kansas City, MO
Columbus, OH

Phone: 209.460.0893
Toll Free: 800.BLUE.ICE (800.258.3423)
Fax: 209.460.1009



About Us


Jack Shepherd invented “The Third Ice Known to Mankind” in 1950! This farm boy from Montana, with little formal education, had a vision of a “gel ice refrigerant” that could be used as a substitute for water ice and dry ice. He visited a renowned educational institution on the west coast and spoke with the chemical professors. He shared his idea with them and was told that what he wanted to do was impossible. With the determination of any American inventor, Jack forged forward and self educated himself in the basics of Chemistry. He set up his lab in the family kitchen and worked tirelessly for months to finally invent what would become the “Third Ice Known to Mankind”. Jack Shepherd secured his first of many patents in 1954. Jack did it all, from creating the formulations to building the equipment to manufacture the product. 

He worked with close friends and family members to develop his product which was trademarked “BLUE ICE”, in the 1960’s. From there “BLUE ICE” has become an almost generic term of “gel ice refrigerants” worldwide.  Today the legacy of Jack Shepherd is carried on by the Shepherd family. We have never forgotten our roots of providing quality products and superior customer service. Pelton Shepherd Industries is now into the third generation of Shepherds and works diligently to be innovative and responsive to the growing need for refrigerants used in the shipping of perishables and therapeutic application to the body!



Value Added Services


JIT Frozen Delivery

Have your gel packs and refrigerants shipped to you frozen and ready to use.
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Custom Print and Sizing

We will create any size gel pack to meet your requirements. We can design co-branded or custom labeled gel packs and refrigerants to match any need.
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Fulfillment Projects

Have a special project? Call us to assist you with your special refrigerant or temperature controlled shipping needs!
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