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/

The TuneTracker System
TuneTracker radio automation software has features rivaling systems costing thousands more, so before deciding on one of those costlier high-end systems, be certain to investigate our system and call with questions. Great for commercial and non-commercial radio programmers on AM,FM,LPFM, webcasting
http://www.tunetrackersystems.com

Radio System Calculator
Spreadsheet program to assist radio system designers by calculating many common parameters. Supplied by Jack Daniel Company .
http://www.rfsolutions.com/rfcalc1.htm

Link Radio Services
Total wireless communication solutions from Link Radio Services
http://www.linkradioservices.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

Broadcatch
Radio automation system, based on techniques concerning hardware encoding-decoding data using mpeg technology.
http://www.broadcatch.gr

I.D. Systems, Inc.
Designs, develops and produces wireless monitoring and tracking system which uses radio frequency technology. (Nasdaq: IDSY).
http://www.id-systems.com/

ParkerVision, Inc.
ParkerVision is focused on the commercialization of its proprietary RF communication technologies that enable significant advancements in wireless products and services.
http://www.parkervision.com/

Christensen, Lowell - SpotWorks
Full service radio production including copy-writing and voice overs of radio commercials. Radio production of full feature radio programs and radio liners for station imaging. Narration, radio production, and web audio for multimedia projects.
http://www.radioproductionservices.com

RC&C
Located in Russia. Turn-key projects in trunked and conventional radio systems, paging and radio telemetry. Services include system design, installation, maintenance and warranty servicing.
http://www.rkk.ru/