Many of the large pharmaceutical firms are closely connected with the biotech or medical device companies or are involved directly in all three sectors themselves. This list represents many of the primary key players in each field.
Private Industry—Biotech - Amgen - Biogen Idec - Chiron Corp. - Genentech - Genzyme Corp. - Gilead Sciences - MedImmune - Millennium Pharmaceuticals - Serono - ImClone
Private Industry—Medical Devices - Baxter International - Boston Scientific - GE Healthcare - Masimo - Medtronic - Optical Dynamics Corp. - Philips Medical Systems - Siemens Medical Solutions