Graham Holdings Company, through its subsidiaries, operates as a diversified holding company in the United States and internationally. The company provides test preparation services and materials; professional training and exam preparation for professional certifications and licensures; and non-academic operations support services to the Purdue University Global; operations support services for online courses and programs; training and test preparation services for accounting and financial services professionals; language training, academic preparation programs, and preparation for proficiency exams; and A-level examination services, as well as operates colleges, business school, higher education institution, and an online learning institution. It also owns and operates television stations, restaurants, and entertainment venues; engages in the financial training and automobile dealerships business; offers social media management tools to connect newsrooms with their users; produces Foreign Policy magazine and ForeignPolicy.com website; and publishes Slate, an online magazine, as well as French-language news magazine website at slate.fr. In addition, the company provides social media marketing solutions; home health, hospice, and palliative services; burners, igniters, dampers, and controls; screw jacks, linear actuators, and related linear motion products and lifting systems; pressure impregnated kiln-dried lumber and plywood products; digital advertising services; power charging and data systems, industrial and commercial indoor lighting solutions, and electrical components and assemblies; valet repair services; in-home aesthetics; and physician and healthcare software-as-a-services, as well as operates pharmacy. The company was formerly known as The Washington Post Company and changed its name to Graham Holdings Company in November 2013. Graham Holdings Company was founded in 1877 and is based in Arlington, Virginia.