Sterling Services - Locations
Distributor, Custom Manufacturer, Service Company
Distributor of I/O controllers. I/O controllers include relays, machine interfaces, circuit boards, selector switches, monitors, circuit breakers, sensors, photoelectrics, contactors, servo drives, PLC modules, AC & DC drives, speed controls, power supplies, electrical hardware, starters, pressure, process & temperature controls, instruments, timers, counters, proximity switches, inverters, transmitters, push buttons & IO blocks.
Brand Names: Allen-Bradley, Cutler-Hammer, General Electric, Honeywell, Mitsubishi, Modicon, Nematron, Omron,...
www.sterlingservices.com/elca.html

AutomationDirect.com (AutomationDirect) - Cumming, GA
Distributor, Custom Manufacturer
I/O controllers include a selection of industrial PLC controllers. From micro-size fixed I/O units to modular systems with thousands of I/O; built-in PID. Discrete I/O, Analog I/O & other communications & networking modules available.
Brand Names: Cutler-Hammer, Hitachi
www.automationdirect.com/plcs?thomasnet

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...

AAC Control Systems - Lawrenceville, GA
Custom Manufacturer, Service Company
Manufacturer Of Serial Bus Control System Products. Complete Turnkey Distributed I/O Systems Or Individual Products & Services. Controllers, I/O Modules, Touch Screens, Power Supplies. Electrical & Software Design Capabilities

Siemens One - Alpharetta, GA
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.

Siemens Industry, Inc. Automation & Drive Technologies - Alpharetta, GA
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.