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Critical I/O, headquartered in Irvine, California, is the leading provider of high-performance interfaces for embedded, avionics and military applications. The company has shipped more than 30,000 Fibre Channel interfaces into the embedded systems marketplace with nearly a decade of progressive development and testing. Critical I/O has also brought true high performance Ethernet interfaces to the real-time and embedded systems marketplace. With its unique Silicon Stack Ethernet architecture, Critical I/O is leading the way in enabling high performance Ethernet-based systems to compete, for the first time, with costly proprietary fabrics. Known worldwide for its technical expertise, software support, and its ability to leverage state of the art commercial technology, Critical I/O focuses entirely on the network requirements of high performance embedded systems.

Critical I/O Questions

The Critical I/O annual revenue was $15.3 million in 2026.

Ron Godshalk is the Vice President Engineering of Critical I/O.

8 people are employed at Critical I/O.

Critical I/O is based in Atlanta, Georgia.

The NAICS codes for Critical I/O are [33, 334112, 3341, 33411, 334].

The SIC codes for Critical I/O are [357, 35].

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