Malfunctions and Miscounts, Sorted by Vendor
These vendor-specific Acrobat reader files briefly describe some of the electronic voting problems publicized in the news. The files contain footnote references to the news articles.
NOTE: Virtually all of the failures described in these files occurred on equipment that was "federally certified," that is, certified by NASED (National Association of State Election Directors).
ES&S Election Systems and Software
Diebold Diebold Election Systems
Sequoia Sequoia Voting Systems
MicroVote MicroVote General Corporation
AVS (WINvote) Advance Voting Solutions
Hart Intercivic Hart Intercivic
Unilect* Unilect Corporation
Danaher Danaher Corporation
VTI Voting Technologies International
OR, browse through dozens of mess-ups: many states, many vendors.
* Thanks to Joyce McCloy of NC Verified Voting for her superb and persistent research, which led to this document.
Thanks to Bill Buccolo for his valuable contributions to several of the vendor files.
and more at the link ...
http://www.votersunite.org/info/messupsbyvendor.asp