Established in 1946, Piper Industries has been unsurpassed as an industry leader in manufacturing steel hydraulic fittings an ... d adapters for the domestic and international global market place for 70 years. We offer superior quality hydraulic fittings and adapters at an unbeatable price. As a world class manufacturer, Piper Industries, Inc. provides Engineering Support, Technical Assistance, Product Development, and Prototyping to the Automotive Agricultural, Construction, Industrial, and Military manufacturing sectors of Industry. We provide companies across North America and across the globe with the highest quality hydraulic fittings and adapters available. If we don’t have it, we will make it! Standards, Specials (non-catalog items), Compound Adapters, Check Valves, Manifolds, Filter Fittings, Brazed Fittings, Flareless Fittings, Bent Tube Fittings, we can produce them ALL! We are an ISO 9001:2000 registered company, committed to service, quality, performance and customer satisfaction in the manufacturing of precision hydraulic fittings and adapters. read more