<Ul> <Li> Octapharma </Li> <Li> Orexo </Li> <Li> OrgaNext </Li> <Li> Orion Pharma </Li> <Li> Ortho - McNeil Pharmaceutical, a subsidiary of Johnson & Johnson </Li> <Li> Otsuka Pharmaceutical Co . </Li> </Ul> <Li> Ortho - McNeil Pharmaceutical, a subsidiary of Johnson & Johnson </Li> <Li> Otsuka Pharmaceutical Co . </Li> <Ul> <Li> Panacea Biotec Ltd </Li> <Li> Par Pharmaceutical </Li> <Li> Patheon </Li> <Li> Peregrine Pharmaceuticals </Li> <Li> Perrigo </Li> <Li> Pfizer </Li> <Li> Pharmaceutical Product Development </Li> <Li> Pharma Medica </Li> <Li> Pharma Nord </Li> <Li> Pharmacosmos </Li> <Li> Pharmascience </Li> <Li> Pierre Fabre Group </Li> <Li> Piramal Healthcare </Li> <Li> Pliva </Li> <Li> Procter & Gamble </Li> <Li> Purdue Pharma </Li> </Ul>

How many pharmaceutical companies are there in the united states