Founded in 1972, WFI International is a premier manufacturer of ferrous and non-ferrous branch connections, flanges, fittings and specialty forged components for piping systems and pressure vessels. Our products range in size from 1/4" through 72" pipe sizes. WFI holds quality system certifications from both ASME and TUV, and our quality program meets the requirements of ISO 9001 and MIL-I-45208A.