W. L. Gore
Gore has been recognized by Forbes as one of the 200 largest privately-held U.S. companies. By using proprietary technologies with the versatile polymer polytetrafluoroethylene (PTFE), Gore has created numerous products for medical implants; fabric laminates; and cable, filtration, sealant, membrane, venting and fiber technologies for diverse industries. Gore has more than 3,400 unique inventions worldwide in a wide range of fields, including electronics, medical devices and polymer processing. More than 50 million innovative Gore medical devices have been implanted, saving and improving the quality of lives worldwide. Gore has offices in more than 25 countries, with manufacturing operations in the U.S., Germany, United Kingdom, China and Japan.