Johnson & Johnson is a holding company, which engages in the research, development, manufacture, and sale of products in the healthcare field. The company is headquartered in New Brunswick, New Jersey and currently employs 138,100 full-time employees. The firm's primary focus is products related to human health and well-being. The firm operates through two segments: Innovative Medicine and MedTech. The Innovative Medicine segment is focused on various therapeutic areas, including immunology, infectious diseases, neuroscience, oncology, pulmonary hypertension, and cardiovascular and metabolism. Medicines in this segment are distributed directly to retailers, wholesalers, distributors, hospitals, and healthcare professionals for prescription use. The MedTech segment includes a broad portfolio of products used in the orthopedic, surgery, cardiovascular, and vision fields. These products are distributed to wholesalers, hospitals and retailers, and used principally in the professional fields by physicians, nurses, hospitals, eyecare professionals, and clinics.