Extreme Meetings 
Audience response systems used at meetings for opinion polling, game shows, feedback, and surveys.
http://www.theextremegroup.com/Audience Response Solutions
Provides interactive audience response services.
http://www.audience-response-solutions.com
Presentation Testing, Inc.
Specializes in testing the effectiveness of business presentations and improving those presentations through remote devices with a dial.
http://www.presentationtesting.com
IML Ltd
UK based specialists in audience voting systems and audience response software.
http://www.iml.co.uk/
Mediastation
Sale and hire of voting systems for conferences, meetings, product launches, quizzes, and exhibitions.
http://www.mediastation.co.uk/voting.htm
Quick Tally
Provides wireless and wired audience response systems for meetings, conventions and research.
http://www.quicktally.com/
Sharpe Decisions Inc.
Voting equipment, Fleetwood reply wireless keypads, base receivers, software, computers, printers and technical support.
http://sharpedecisions.com/
Electronic Voting Systems
Provides audience response systems for meetings, including market research and training events. Equipment hire and sales of voting software and hardware packages.
http://www.evs-uk.net/
Meridia Interactive
Provides audience response services and equipment.
http://www.meridia-interactive.com
Innovision Incorporated
Wireless audience response systems. Enhanced interactivity with games, testing, and demographic collection. Custom solutions available.
http://www.innovisioninc.com/
Option Technologies
Provides OptionFinder audience response systems and services. PowerPoint-based polling solutions and infrared or radio frequency keypad options. Rental and purchase available.
http://www.optiontechnologies.com
ARS Technologies
Audience response system software to insert into a powerpoint presentation using wireless response keypads.
http://www.ars-technologies.com/
Event Technologies Inc.
Audience response keypad solution provider that also provides satellite videoconferencing solutions to the meeting and hospitality industry.
http://www.eventtechs.com/
Quick Caption
Realtime captioning services for the deaf and hearing impaired.
http://www.quickcaption.com/
Padgett Communications
Provider of response systems for meetings and events.
http://www.pcipro.com/
Turning Technologies
Provide interactive response systems for business and industry use.
http://www.turningtechnologies.com
ppvote
Enables audience response and participation for standard PowerPoint slides.
http://www.ppvote.com
