Henry Schein, a Fortune 500 company, offers a range of practice solutions for health care professionals. The company's four business groups, which include dental, medical, international and technology, serve more than 475,000 customers worldwide. It serves dental practices and laboratories, physician practices and veterinary clinics, as well as government and other institutions. Henry Schein s sales from continuing operations reached nearly $4 billion in 2004. The company operates through a centralized and automated distribution network, which provides customers in more than 125 countries with a selection of nearly 160,000 national and Henry Schein private-brand products. Henry Schein also operates ArubA, the company's electronic catalog and ordering system. Headquartered in Melville, N.Y., Henry Schein employs approximately 11,000 people and operations in nearly 20 countries, including a location in Sparks, Nev.