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  • M-Cor Inc
    M-Cor Inc
    406.227.0477
    3133 Valley Dr, 59602-9136  Helena

    Encapsulated O-ring manufacturer and Precision extruder M-Cor Inc. is a leading U.S. producer of high performance sealing products for extreme environments. Extruded profiles are converted into o-rings, Teflon® encapsulated o-rings, camlock gaskets, chemical transport tubing and various other seali…