Hospira was an American global pharmaceutical and medical device company with headquarters in Lake Forest, Illinois. It had approximately 19,000 employees. Before its acquisition by Pfizer, Hospira was the world's largest producer of generic injectable pharmaceuticals, manufacturing generic acute-care and oncology injectables, as well as integrated infusion therapy and medication management systems. Hospira's products are used by hospitals and alternate site providers, such as clinics, home healthcare providers and long-term care facilities. It was formerly the hospital products division of Abbott Laboratories. On September 3, 2015, Hospira was acquired by Pfizer, who subsequently sold off the medical devices portion of Hospira to ICU Medical.