The very first thing you see upon visiting the website of Cyrus Shank is:
Our Refrigeration Valves & Accessories are 100% American Made Cyrus Shank manufactures Refigeration Valves & Accessories and has done so since 1912.
You can find Relief Valves, Hand Valves and Manifolds.
Cyrus Shanks has been headquarted in Aurora, IL for over 103 years, where they operate their ASME certified plant producing ASME certified products.
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