Quest Defense Systems & Solutions Inc.

Quest Defense Systems & Solutions Inc. (QDSS) is a U.S.-based engineering services provider. The company specializes in delivering solutions for the aerospace and defense sectors. Its operational presence is in the United States, with a location in Cincinnati, Ohio.

The firm's technical work spans several engineering disciplines. Core domains include mechanical engineering, embedded systems, software development, and systems engineering. These capabilities are applied to projects within its two primary industry verticals: aerospace and defense.