C3I Email Format

Defense and Space ManufacturingNew Hampshire, United States11-50 Employees

C3I is a defense and space-focused engineering company that designs, manufactures, and integrates hardware and software for communication, control, and monitoring systems. Its offerings encompass hardware design and manufacture, software design and build, integration support, training and logistics, and contract management, serving both public and private sector customers.
Based in Exeter, New Hampshire, the company positions itself within the defense and space manufacturing sector, delivering end-to-end technology solutions for complex operational environments. The team appears to operate on a mid-sized scale, supporting projects that require integrated hardware and software capabilities. A recent development noted in the news cycle is the company’s ongoing communications around first-quarter 2026 activity, reflecting continued execution in its sector.

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