#19. Johnson & Johnson (JNJ) — 359.4 BILLION

Johnson & Johnson is a holding company. Through its subsidiaries, Co. engages in the research and development, manufacture and sale of various products in the healthcare field. Co.'s segments are: Consumer Health, which includes products focused on personal healthcare used in the Skin Health/Beauty, Over-the-Counter medicines, Baby Care, Oral Care, Women's Health and Wound Care markets; Pharmaceutical, which is focused on six therapeutic areas including Immunology, Infectious Diseases, Neuroscience, Oncology, Cardiovascular and Metabolism, and Pulmonary Hypertension; and Medical Devices, which includes products used in the Interventional Solutions, Orthopaedics, Surgery, and Vision fields.