Dow Hydraulic Systems

Established in 1967, Dow Hydraulic Systems has grown from a single honing machine in a garage to a 25,000 sq. ft. facility employing 100 people. As a third-generation family-owned business, we specialize in precision hydraulic controls for aerospace applications, combining decades of expertise with cutting-edge technology. Our AS9100 and NADCAP certifications reflect our commitment to quality, while our one-stop-shop capabilities in servo valve manufacturing and actuator assembly set us apart in the industry. We maintain state-of-the-art testing facilities with 18 hydraulic test stands and advanced metrology equipment to ensure defect-free delivery. Our team's technical proficiency in flow grinding, lapping, and precision machining enables us to meet ultra-close tolerances for critical aerospace components.

With over 50 years of operational history, we've built a reputation for innovation and reliability in hydraulic system development. Our investment in advanced manufacturing equipment, including CNC lathes, 5-axis mills, and specialized EDM machines, ensures consistent quality across all production phases. We maintain rigorous quality controls through ITAR registration and comprehensive foreign object detection systems. Our engineering team develops custom test stands to meet ATP requirements, supporting both MIL-PRF-6083 and Skydrol-compatible systems. This combination of heritage, technical capability, and quality assurance makes us a trusted partner for complex hydraulic solutions.