Radio Modules
We supply a wide range of off the-shelf antennae products and licence-exempt low power radio modules and audio/video modules suitable for a wide range of RF applications including, telemetry, data logging, robotics, surveillance and remote control
http://www.radio-modules.com/

Orbit Communications
Wireless solutions that work. Orbit Communications design and manufacture wireless control and monitoring equipment and vehicle proximity alarm systems.
http://www.orbitcoms.com

NBT Telemetry Equipment and SCADA Systems
Telemetry Systems, SCADA Systems and Data Acquisition equipment. We provide a complete line of Telemetry System Products including Spread Spectrum Wirless Radios, Wireless Modems, Leased Line Modems, Programmable Logic Controllers, Programmable RTU/Controllers, PLCs, Wireless Radios, Spread Spectrum Radios, RTUs, MTUs, License Free Radios, Leased-Line Modems, Antennas, Remote Monitoring Software, DDE, Data Logging and HMI Software.
http://www.nbtinc.com

Adcon Telemetry GmbH
Provide meteorological sensors, but specialty is wireless telemetry.
http://www.adcon.at/english/produkte_sensoren_en.html

Radio Data Technology Limited
RDT is a UK company specialising in, radio modems, radio telemetry, wireless video, radiotelemetry, for applications such as, traffic, water, utilities, agriculture, transport, security, industrial automation, SCADA
http://www.radiodata.co.uk/

TBOX: advanced telecontrol solutions
Semaphore is a leading RTU and advanced telemetry system provider. Our telemetry technology leverages easy-to-use web technologies and inexpensive public networks. Our systems offer dramatically reduced costs versus a traditional SCADA system, and provide fast implementation and startup with minimal training and engineering costs in industrial and commercial applications. The company was formed in 2006 when RTUNet and TechnoTrade merged to create Semaphore. Semaphore products are currently operating in thousands of automation and remote monitoring installations throughout the world.
http://www.tbox.biz

Pacscom Telemetry Equipment
Telemetry and wireless communications equipment for the gas, water and electricity industries as well as oil refineries and nuclear power stations.
http://www.pacscom-telemetry.co.uk

Radio data modules, radio modems and telemetry
Radio-Tech, Radio Modem, Automatic Meter Reading, Sub-metering, Legionella monitoring, Legionella management, Legionella screening, Intelligent street lighting, Bus telematics, Rail temperature monitoring Global net,Fixed network, Drive-by metering, Energy Management, Smart View, Smart Log, Transmitter, Receiver, Pulse Counting, Food Temperature Monitoring
http://www.radio-tech.co.uk

Acroamatics Telemetry Systems
Acroamatics specializes in advanced telemetry systems that support real-time acquisition, processing and display of telemetry data - frame synchronizers, PCM decommutators, bit synchronizers and more.
http://www.acroamatics.com/

Athena Microsystem Solutions LLC
Hall-effect current sensing modules, SIMMStick modules and Wireless modules.
http://www.athenamicrosystems.com