ppvote
- Enables audience response and participation for standard PowerPoint slides.
- http://www.ppvote.com

Turning Technologies
- Provide interactive response systems for business and industry use.
- http://www.turningtechnologies.com

Padgett Communications
- Provider of response systems for meetings and events.
- http://www.pcipro.com/

Quick Caption
- Realtime captioning services for the deaf and hearing impaired.
- http://www.quickcaption.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/

ARS Technologies
- Audience response system software to insert into a powerpoint presentation using wireless response keypads.
- http://www.ars-technologies.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

Innovision Incorporated
- Wireless audience response systems. Enhanced interactivity with games, testing, and demographic collection. Custom solutions available.
- http://www.innovisioninc.com/

Meridia Interactive
- Provides audience response services and equipment.
- http://www.meridia-interactive.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/

ezicomms
- Audience response voting and feedback equipment, quizes, surveys, keypads with microphones. Serving Australia and new Zealand.
- http://www.ezicomms.com/

Sharpe Decisions Inc.
- Voting equipment, Fleetwood reply wireless keypads, base receivers, software, computers, printers and technical support.
- http://sharpedecisions.com/

Quick Tally
- Provides wireless and wired audience response systems for meetings, conventions and research.
- http://www.quicktally.com/

Mediastation
- Sale and hire of voting systems for conferences, meetings, product launches, quizzes, and exhibitions.
- http://www.mediastation.co.uk/voting.htm

IML Ltd
- UK based specialists in audience voting systems and audience response software.
- http://www.iml.co.uk/

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

Audience Response Solutions
- Provides interactive audience response services.
- http://www.audience-response-solutions.com

Extreme Meetings
- Audience response systems used at meetings for opinion polling, game shows, feedback, and surveys.
- http://www.theextremegroup.com/