Patterson Companies, Inc. distributes dental, veterinary, and rehabilitation supplies. Its Dental Supply segment offers consumable dental supplies; impression and restorative materials; hand pieces; hand instruments; sterilization products; anesthetics; infection control products; paper, cotton, and other disposable products; and toothbrushes and dental accessories. This segment also provides printed office products, office filing supplies, and practice management systems; and radiography equipment, dental chairs and hand piece control units, diagnostic equipment, sterilizers, dental lights and compressors, chair-side restoration systems, digital imaging products, and inter-oral cameras. In addition, it develops and markets software for scheduling, billing, charting, and capturing/storing/retrieving digital images; and provides hardware and networking solutions, patient education products and services, software services, dental office layout and design, and equipment financing, as well as equipment installation, repair, and maintenance services. The company's Veterinary Supply segment offers pharmaceuticals, vaccines, parasiticides, diagnostics, pet foods, nutritional products, and consumable supplies, as well as veterinary equipment and software; and develops and markets practice management software, client education software, and Web-based client communication portal. Its Rehabilitation Supply segment offers distributed and self-manufactured rehabilitation medical supplies and assistive products to acute care hospitals, long-term care facilities, rehabilitation clinics, dealers, and schools. The company serves North American dental supply; U.S. and U.K. veterinarian supply; and the worldwide rehabilitation and assistive products supply markets. The company was formerly known as Patterson Dental Company and changed its name to Patterson Companies, Inc. in June 2004. Patterson Companies, Inc. was founded in 1877 and is based in St. Paul, Minnesota.