The blood banking industry is truly one of the most unusual businesses in this country: the participants rely on a donated product which they collect, test, process, and then distribute. But, the paradox is they get the product (donated blood) for free and sell it for a profit (their cost is in collecting, testing, processing and distributing).
Most people are aware of the American Red Cross but there are lots of other players including an organization called the New York Blood Center. Based out of New York, NY this tax-exempt, non-profit 501 (c) (3) organization collects donated blood, tests it, processes it by breaking it up into salable components (i.e platelets, plasma, etc), and the sells the various blood products to about 500 hospitals in New York, New Jersey, Connecticut, Delaware, Pennsylvania, Maryland, Virginia, Missouri, Kansas, Minnesota, Nebraska, and Rhode Island. Read more