Red Lion Controls - York, PA
Manufacturer, Custom Manufacturer
Manufacturer of standard and custom I/O modules. Products include rugged industrial automation I/O modules and digital I/O modules with logic engine. Combination I/O modules are also available. RoHS and WEEE compliant. CE listed.
Brand Names: Sixnet
www.redlion.net/Products/ProcessControl.htm...

IFM Efector, Inc. - Exton, PA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer and custom manufacturer of I/O modules. Available with current-control functions, connectors, CAN interface and central plugs. Mounting accessories are also available. On-time delivery.
www.ifm.com/ifmus/web/pmain080_030_010.htm

Phoenix Contact - Middletown, PA
Manufacturer, Custom Manufacturer
Manufacturer of standard and custom I/O modules for field installation, control cabinets and signal acquisition applications. Various accessories include fuse, operator panels, electronic housings, shield connection clamps and insertion bridges.
www.phoenixcontact.com/online/portal/us?1dm...

Neal Systems Inc. - Newtown, PA
Distributor
Distributor & integration of instruments for various process measurements, process control & data acquisition, electrical protection & connection for both general purpose & hazardous areas. Types of instruments include vibration monitoring, gas leak detection & gas analysis, hazardous area equipment (intrinsic safety & purge), process measurements (temperature, pressure, flow), liquid analysis measurements, various controllers & indicators, chart recorders, handheld calibrators, process control devices (valves, drives), surge protectors & signal conditioners. Industrial ethernet switches, I/O gateways, industrial phone modems, remote terminal units, process control & data acquisition, wireless data transfer, wireless I/O modules, wireless repeaters, wireless gateways including wireless instrumentation backbone (WIB) network.
Brand Names: BlueTree Wireless, Burkert, Byres Security, Chessell, L & J Technologies, M-System, MTL, Q-Star,...
www.nealsystems.com/newsite/

BCS Motion, Inc. - Exton, PA
Distributor
Distributor of digital I/O bus coupler modules. Adaptation to the fieldbus specified by the operator, by simple latching of the corresponding coupler or controller to the wired bus terminals.
Brand Names: WAGO

Trola Industries - York, PA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of automation control systems & electronic instrumentation including input/output (I/O) controllers. Automation control systems also include programmable logic controllers (PLCs), touch screen terminals, local area networking devices, data acquisition systems, motor variable speed drives, panels, enclosures & sensors. I/O controllers are suitable for manufacturing plant, OEM, architecture, engineering firm, electric utility company & contractor applications. Capabilities include manufacturing UL 508A certified control panels, circuit & layout design, engineering, software development, installation, product inspection, fabrication, construction & project management, integration assembly, feasibility studies & analysis, maintenance & repair, sub-contracting, energy minimization & training.

PICS INC - Malvern, PA
Manufacturer, Custom Manufacturer
Manufacturers rep. of modules including I/O, I/O bus coupler & IP67 I/O modules. I/O modules available in six housing types. Ethernet I/O modules are also available. Markets served include process instrumentation, automation & controls.
Brand Names: Crouzet

Automation Systems Interconnect, Inc. - Mechanicsburg, PA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of standard & custom digital I/O modules. Available as PLC I/O relay modules.