PetMed Express, Inc. (PetMed) and its subsidiaries, doing business as 1-800-PetMeds, is a pet pharmacy. The Company markets prescription and non-prescription pet medications, and other health products for dogs, cats, and horses direct to the consumer. The Company markets its products through national television, online, and direct mail/print advertising campaigns. PetMed offers a selection of products for dogs, cats, and horses. As of March 31, 2009, its product line contains approximately 750 stock keeping units (skus). These products include brands of medication, such as Frontline Plus, K9 Advantix, Advantage, Heartgard Plus, Sentinel, Interceptor, Program, Revolution, Deramaxx and Rimadyl.