U.S. engineering services provider for aerospace and defense, covering design, development, testing, validation and certification support across air, land, sea and space platforms.
Quest Defense Systems & Solutions Inc. (QDSS) is a U.S.-based engineering services provider serving defense contractors and aerospace OEMs. The company works across air, land, sea, and space platforms, covering design and development through testing and validation of aerospace and defense systems. It is a subsidiary of Quest Global and operates from Cincinnati, Ohio.
Technical work spans mechanical engineering, embedded systems, software development and systems engineering, with a focus on safety-critical and mission-critical systems. The firm supports certification efforts under DO-178C and ARP4754A.
QDSS forms part of the defense industrial base serving the U.S. Department of Defense and commercial aerospace partners. Engineering teams are engaged on mission-critical defense programmes for major defence contractors and aerospace OEMs.
