SIE Computing Solutions, Inc. - Brockton, MA
Manufacturer, Custom Manufacturer
Manufacturer of standard and custom synchronous/asynchronous PCI controllers and control systems. 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

Diamond Technologies, Inc. - Maynard, MA
Manufacturer, Service Company
Distributor of I/O controllers including Ethernet fieldbus & din rail based I/O controllers & embedded board level I/O products. Programmable fieldbus controllers (PFC ' s) are available for more than twelve networking protocols including DeviceNet, Profibus, Ethernet, CANopen, Modbus, Interbus & CAL &can be programmed in all 5 IEC 61131-3 programming languages including Ladder Logic, Sequential Function Charts, Structured Text, Function Block Diagram & Instruction Lists. PFC ' s work with flexible 2 & 4 channel systems & are available with 24V digital logic, 5V digital logic & 48V digital logic modules, relay modules, 4-20mA, 0-20mA, 0-10V, plus /-10V, thermocouples, RTDs, serial modules, pulse width input modules, encoder modules, pulse width output modules & stepper motor modules. Suitable for vending machines, home automation systems & embedded machine applications.
Brand Names: WAGO
www.diamondt.com/content/electronic_connect...

Anacon Power & Controls - Concord, MA
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom I/O power controllers. Available as silicon controlled rectifier (SCR) power controllers. Types of SCR power controllers include phase angle power controllers & burst fire power controllers. SCR power controllers are available in DIN & panel mount configurations. SCR power controllers feature time based control & phase angle control with different input control options. I/O power controllers are UL®/cUL® recognized, TUV approved, CE compliant & RoHS compliant.
www.anaconpower.com/scrproductmenu.htm

Ryan Herco Flow Solutions - Locations
Distributor
Worldwide distributor of multi parameter controllers including I/O controllers designed to measure flow, pH, ORP, conductivity, pressure, level & temperature. Features include 1/4 DIN enclosures, up to 6 input channels, up to 4 analog inputs, up to 8 relays, power ratings from 12 Vdc to 24 Vdc & 85 Vac to 264 Vac. Applications include RO & DI system control, media filtration, pure water production, chemical processing, metals & plastic finishing, cooling tower & boiler protection & waste water treatment. (signet)
Brand Names: Signet
webcat.rhfs.com/categorylist.aspx?catID=F65...

Sensorpulse Corp. - South Easton, MA
Manufacturer
Manufacturer of I/O controllers.

HalStor, Inc. - Framingham, MA
Service Company
Consulting & R&D specializing in fast I/O Interfaces (SAS, SATA, Fibre Channel, FICON, ESCON) & storage systems, development of modern communication & I/O controllers.

OSRAM SYLVANIA - Danvers, MA
Manufacturer, Custom Manufacturer
Manufacturer of instrumentation, control systems, SCADA, telemetry & turnkey solutions. Design, engineering & integration of SCADA & control systems. Human Machine Interface design, configuration & programming. Programmable process controllers, I/O boards, modems & power supplies. Measurement instrumentation includes float switches, intrinsic safety barriers, liquid-level transducers & sensors & pressure transducers.

MKS Instruments, Inc. - Andover, MA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of I/O controllers. Types include Ethernet I/O & fieldbus I/O devices. Ethernet I/O is equipped with local logic engine. Features of fieldbus I/O devices include high density digital, analog & interlock I/O. Fieldbus system controls are used for DeviceNet™ & Profibus™ networks. Services include CAD designing, 24/7 technical support including telephone troubleshooting & support, applications & installation assistance & NIST traceable calibration, repair & calibration, field services & training. ISO 9001:2000, ISO 14001: 2004, ISO/IEC 90003:2004 & OHSAS 18001:1999 compliant.

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

Siemens Venture Capital, Inc. - Boston, MA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of instrumentation, control systems, SCADA, telemetry & turnkey solutions. Design, engineering & integration of SCADA & control systems. Human Machine Interface design, configuration & programming. Programmable process controllers, I/O boards, modems & power supplies. Measurement instrumentation includes float switches, intrinsic safety barriers, liquid-level transducers & sensors & pressure transducers.

Magmotor Technologies Inc. - Worcester, MA
Manufacturer, Custom Manufacturer, Service Company
Specializing In The Engineering & Manufacturing Of Servo Motors. Experience In Application Specific Motor Products. Short Design-Prototype-Production Cycles

Schneider Automation Inc. - North Andover, MA
Manufacturer, Custom Manufacturer
Programmable Controllers