Graham Holdings Co. engages in the provision of education and media services. The company is headquartered in Arlington, Virginia and currently employs 19,920 full-time employees. The firm's segments include Education, Television broadcasting, Healthcare, Manufacturing, Automotive, and Other businesses. Its Education segment includes products and services are provided by Kaplan, Inc. Kaplan International includes professional training and postsecondary education businesses outside the United States, as well as English-language programs. Kaplan Higher Education includes the results as a service provider to higher education institutions. Supplemental Education includes Kaplan's standardized test preparation, domestic professional and other continuing education businesses. Its Television broadcasting operations are conducted through over seven television stations serving the Detroit, Houston, San Antonio, Orlando, Jacksonville and Roanoke television markets. Its Healthcare provides nursing care and prescription services for patients receiving in-home infusion treatments.