SIE Computing Solutions, Inc. - Brockton, MA
Manufacturer, Custom Manufacturer
Manufacturer of standard and custom synchronous/asynchronous PCI controller boards. Features include RS-232 and RS-422/485 interfaces, protocol software, FIFO data buffers, on-board hardware and software flow controls. ITAR registered. Lean manufacturing capable.
sie-cs.com/en/browse/product/serial-io

Middlesex General Industries, Inc. - Woburn, MA
Manufacturer, Custom Manufacturer, Service Company
Turnkey systems integrator & manufacturer of standard & custom controller boards. Motor control boards & Profibus I/O boards are available. Control boards provide motor control, sensor inputs & CAN bus interface. Factory simulation, consulting & training services are available.

Comark Corporation - Medfield, MA
Manufacturer
Packaging, Processing & Distribution Of I/O & Software Applications

MicroE Systems - Bedford, MA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of boards including controller boards. Applications include automation, semiconductor process equipment, rotary motors & other OEM applications. Services include customizing standard products, designing PCB for application specific motion control, modifying sensors for high bandwidth applications, application specific product solutions such as averaging devices & multi-axis interpolation, subassembly integration & qualification & custom software. Boards can be customized as per specific requirements.

Foresight Imaging - Burlington, MA
Manufacturer
Manufacturer of designs & markets the frame grabbers & video streaming boards & software for the machine vision, scientific & medical imaging markets.

Seafire Micros, Inc. - Beverly, MA
Manufacturer
Micro