Stericycle, Inc., is in the business of managing regulated waste and providing an array of related and complementary services. The regulated waste services it provides include medical waste disposal, Steri-Safe medical waste and compliance program,Clinical Services program, Bio Systems reusable sharps disposal management services, pharmaceutical waste disposal, and hazardous waste disposal. In addition to the Company's regulated waste services, it offers regulated recall and returns management services, patient communication services, and medical safety products. The Company's regulated recall and returns management services consist of a number of solutions for a variety of businesses but consist primarily of managing the recall, withdrawal or return of expired or recalled products and pharmaceuticals. During the year ended December 31, 2012, it completed 41 acquisitions, of which 17 were domestic businesses and 24 were international businesses in Latin America, Europe, and Japan.