PT Coupling

WholesaleOklahoma, United States5001-10000 Employees

PT Coupling Company is a family-owned manufacturer and supplier founded in 1951 and based in Enid, Oklahoma. It operates as a division of Parrish Enterprises Ltd and specializes in cam and groove hose couplings produced from aluminum, brass, stainless steel, ductile iron, polypropylene, and nylon. The company maintains two US investment casting foundries, Oklahoma Investment Castings in Blackwell and Mississippi Precision Cast Parts in Columbus, both ISO 9001 certified, pouring alloys such as 316, 304, 17-4, carbon steel, alloy 20, and Hastelloy, with material certifications available on request.

In Enid, PT also produces aluminum, brass, and ductile iron sand castings under ISO 9001, and offers heat treatment and related processing; all PT products are machined at Central Machine and Tool Company, which is part of Parrish Enterprises. The organization also manufactures Punch-Lok center punch hose clamps, banding, and tools, and Progrip crimp fittings, ferrules, and sleeves; products from Specialty Plastics Company cover polypropylene and nylon cam and groove couplings, and safety bumps. PT Coupling marked a recent online development with the launch of a new website in 2024.

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