Populex Corp.

This company offers e-voting technology that uses a stylus/touch-screen input to print a bar-coded ballot card that's then scanned to record the voter's choices. As of September, Elgin, Ill.-based Populex's voting technology was certified for use in Illinois and Missouri.

Quest Informations Systems Inc.

Quest sells registration-database technology. Indianapolis-based Quest IS developed Indiana's voter-registration database and is contracted to do the same in Virginia via an arrangement with Unisys Corp.

Saber Consulting Inc./Saber Corp.