- Advanced Voting
 - Hardware and software systems for the secure electronic tallying of ballots. Makers of the WINvote wireless touch screen system. - Diebold Election Systems
- Developer of the AccuVote touch screen voting system. Diebold Election Systems offers comprehensive election management solutions.
- Election Systems & Software
- Provider of hardware and software for local and statewide voter registration, ballot production, voting, vote tabulation, and results reporting.
- Guardian Voting Systems
- Offers the ELECTronic 1242 Voting System for recording and tallying votes.
- Hart InterCivic
- Maker of complete, fully integrated voting systems, ranging from traditional paper-based balloting to direct record electronic systems. Also provides government document management solutions.
- Sequoia Voting Systems
- Develops, sells, and supports election systems. Sequoia's tamperproof products include the AVC Edge and the AVC Advantage.
- TrueBallot
- Provides election and referenda balloting services to unions and associations.
- TruVote International
- Electronic voting system provides an audit trail and gives each voter the ability to audit his or her own ballot.
- Unilect
- Developer of the Patriot touch-screen voting system. UniLect provides election management and survey services using state-of-the-art voting equipment products and solutions.
- Voting Technologies International
- Offers a computerized voting system (CVS) that utilizes touch-screen voting hardware.
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