GCS General Control Systems
Manufacturer of electronic data acquisition equipment for guarding, technical service and maintenance, portable electronic data capture units and identification.
http://www.gcscontrol.com/

CSE Global
Intelligent remote terminal units, programmable logic controllers and data acquisition products.
http://www.cse-global.com

Kingfisher RTUs
Kingfisher - Remote Telemetry Systems, SCADA, RTU, ISaGRAF, Modbus, DNP3, Measurement & Control at a distance, We hope you enjoy browsing our advanced range of telemetry products. We have monitoring and control solutions ranging from compact cost-effective wireless I/O such as the G3 I/O controller, low power products such as the LP-1, designed for remote areas and solar operation, and our modular range of Kingfisher telemetry systems that can adapt and grow as your site does.  
http://www.rtunet.com

FlexiPClink
FlexiPCLink - Instrumentation and equipment design, PC USB interfacing consultant , PC USB peripherals design
http://www.flexipclink.com

Microstar Laboratories
Data Acquisition Processor boards for PC-based real-time data acquisition systems: high-speed I/O, signal conditioning, multiplexing, sample-and-hold, isolation, quadrature decoding, filtering, counter-timers, and more. Features include transparent expansion, real-time processing, and high-speed network access.
http://www.mstarlabs.com/

CALCULEX, Inc. Engineering
Ruggedized, laboratory, modular nonvolatile solid state (MONSSTR) data acquisition recorders and PCI bus interface (PBIF) cards are used throughout the data acquisition and control industries.
http://www.calculex.com/

Microstar Laboratories
Data Acquisition Processor boards for PC-based real-time data acquisition systems: high-speed I/O, signal conditioning, multiplexing, sample-and-hold, isolation, quadrature decoding, filtering, counter-timers, and more. Features include transparent expansion, real-time processing, and high-speed network access.
http://www.mstarlabs.com/index.html

Data-Acquisition.us
Data Acquisition Systems and Equipment
http://www.data-acquisition.us/

CIMScan Data Acquisition Systems
Cimscan Cimtechniques temperature hospital food blood drug monitoring data acquisition wireless
http://www.cimtechniques.com

Dewetron America
Portable data acquisition systems with plug-in signal conditioning; portable power quality analyzers for 50/60 Hz and 400 Hz applications, video+data acquisition, dynamic testers, and portable industrial computers.
http://www.dewamerica.com/