Electromagnetic Systems, Inc. Employee Directory

Defense and Space ManufacturingCalifornia, United States11-50 Employees

Electromagnetic Systems, Inc. is a small defense and space-focused engineering firm based in El Segundo, California, founded in 1996. It provides high-technology sensor system expertise to the U.S. government, aerospace contractors, and organizations engaged in defense and homeland security. The company takes a systems engineering approach across sensor domains, from radar to electro-optical sensing, and pursues radar signal processing techniques that extend the capabilities of national defense systems.

EMSI serves government and industry customers that rely on advanced sensing capabilities to meet security and defense objectives. It operates within the defense and space manufacturing sector as a specialized, small business contributor in its niche. In August 2025, Voyager Space Company announced its acquisition of EMSI, marking a new development in the company’s corporate trajectory.

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