Siemon
TelecommunicationsConnecticut, United States501-1000 Employees
Siemon is a global telecommunications company focused on high-performance connectivity for data centers and smart buildings. It designs and manufactures copper, fiber, and high-speed connectivity solutions that support scalable, reliable networks and enable confident deployment. Founded in 1903 and headquartered in Watertown, Connecticut, Siemon operates in more than 100 countries and emphasizes engineering quality alongside sustainability. Its customers include data center operators and building developers seeking end-to-end connectivity that can meet growing performance demands. In April 2026, Siemon introduced a portfolio of PAM4 high-speed optical transceivers at 200G, 400G, and 800G, expanding its offering to support AI-ready and high-performance networks. The company maintains a global manufacturing and innovation footprint to support its broad solution set.