By Maggie Miller in The Hill:

The CEOs of the three largest U.S. voting equipment companies on Thursday supported more disclosure requirements, marking a major step for an industry that has come under close scrutiny in recent years due to election security concerns.

The leaders of Election Systems and Software (ES&S), Dominion Voting Systems and Hart InterCivic testified before the House Administration Committee during a House hearing, marking the first time leaders from the three major voting equipment manufacturers testified together before Congress.

Committee Chairwoman Rep. Zoe Lofgren (D-Calif.) kicked off the hearing by asking whether the CEOs of these companies, which are estimated to control at least 80 percent of the market for voting equipment in the U.S., would support legislation mandating more disclosures.

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