Indicators bullish Moving averages strong support One Stop Systems, Inc. engages in the design, manufacture, and marketing of computing systems and components. It operates through the following segments: One Stop Systems (OSS); Concept Development Inc. (CDI); and Bressner Technology GmbH. The OSS segment include manufacture of computing system for computing applications. The Concept Development Inc. segment offers in-flight entertainment systems for commercial aircraft. The company was founded by Stephen D. Cooper and Mark Gunn in 1998 and is headquartered in Escondido, CA.