Patterson Companies Inc. is one of the leading distributors of dental and animal health products. It has 3 segments: Dental, Animal Health and Corporate. Dental segment distributes consumable products, basic & advanced technology dental equipment, practice management & clinical software, patient education systems, and office forms and stationery in the U.S. & Canada. Its customers include dentists, dental laboratories, institutions, and other healthcare professionals. This unit is also the exclusive distributor for Sirona Dental Systems, a leading dental technologies company. Animal Health unit is a leading distributor of veterinary supplies to companion-pet veterinary clinics, equine and large animal veterinary clinics, public and private institutions, and shelters across the U.S. It acquired Animal Health International. Corporate segment comprises general and administrative expenses, including home office support costs in areas such as information technology, finance, legal, human resources and facilities.