Have both Patterson Companies Inc & Marathon Petroleum Corporation been listed in Forbes magazine?
Patterson Companies: Patterson Companies Inc is a medical supplies conglomerate primarily in the business of veterinary and dental products (ranging from xray equipment to consumable products, dental consumables make up the biggest part of the dental industry). Patterson Companies:  That business segment (now known as Patterson Veterinary) currently distributes equipment (diagnostic and surgical) and medicine (anaesthetics, vaccines).
i don't know