The Cryogenic Society of America, Inc. (CSA) is a non-profit technical society serving all those interested in any phase of cryogenics. SPOTLIGHT ON 4-COLOR ADVERTISERS Circor Cryogenics PHPK Technologies Incorporated Sefar America Sumitomo (SHI) Cryogenics of America, Inc. Registration for the one-day CSA Short Course is still available on site for Foundations of Cryocoolers. Monday, June 17, ...