David A. Dierolf

Outpatient Imaging Affiliates LLC develops, owns, and operates outpatient imaging centers. The firm partners with healthcare providers such as health systems, academic medical centers, and radiology groups. The company was founded by Frank R. Kyle and Peter D. Ricciardi in September 2000 and is headquartered in Franklin, TN.

Institute for Defense Analyses provides technical analyses of weapons systems and programs to federal agencies. It is a federally funded research organization that works primarily for the US Government's defense agencies. Its research areas include systems evaluations, technology assessments, resource & support analyses, and strategy assessments. The company was founded in 1947 and is headquartered in Alexandria, VA.

Crutchfield Corp. provides integrated marketing services. Its products include televisions, home theater systems, DVD players, VCRs, camcorders, digital cameras, speakers, amplifiers and navigation systems. The company was founded by William G. Crutchfield, Jr. ain March 1974 nd is headquartered in Charlottesville, VA.