Alan W. Aldworth

ProQuest Co. was a publisher of information and education products. The company was incorporated on December 10, 1987 and was headquartered in Ann Arbor, MI.

Nielsen Audio, Inc. provides international media and marketing research services. It specializes in media and consumer research, marketing mix modeling, cross-platform measurement. The company was founded in 1957 and is headquartered in new York, NY.

ProQuest LLC provides software research solutions that connect people and information. It offers discover services, management solutions, data services, research tools, ebooks, collection management services, print books, and news and newspapers. The company was founded by Eugene Power in 1938 and is headquartered in Ann Arbor, MI.

Voyager Learning Co. is a publisher of solutions for the education, automotive and power equipment markets. It focuses on three market areas related to K-12 education, reading programs and resources, math and science programs and resources, and professional development programs. The company was founded in 1994 and is headquartered in Ann Arbor, MI.

Part of Nexstar Media Group, Inc., Tribune Education Co. publishes daily newspapers and community publications. The company is based in Chicago, IL.

Kabongo, Inc. develops web-delivered educational products that enable learners to reach their academic potential. It It offers online educational games, preschool learning games, and kindergarten games. The company was founded by Marty Fletcher in 2007 and is headquartered in Emeryville, CA.