Comtrol

Comtrol designs and manufactures device networking hardware, including serial-to-Ethernet converters, industrial I/O modules, and RocketPort serial cards. The company serves industrial automation, manufacturing, point-of-sale, and IT infrastructure markets that need to connect legacy serial equipment to modern Ethernet and IP networks. Its product line, including the DeviceMaster family, allows RS-232, RS-422, and RS-485 devices to communicate over standard network infrastructure without replacing existing equipment. Comtrol also provides multiport serial adapters and software drivers that support various operating systems, enabling integration with existing industrial control and data acquisition systems. The company operates as part of the broader industrial connectivity sector, focusing on bridging legacy hardware with contemporary networked environments.