Colorado Springs, Colorado, May 23, 2023: ONE Dev, LLC, a company within The O’Neil Group Company’s Defense contracting consortium (The Consortium) is pleased to announce the acquisition of Systems Engineering & Management Company (SEMCO), a Vista, CA company and a leading supplier of state-of-the-art telemetry products and solutions for DoD test ranges, flight test centers and customers within the space, missile and launch vehicles mission areas.