Cook Systems International

Cook Group Incorporated, operating as Cook Systems International, is a privately held medical device manufacturer founded in 1963 by William L. Cook. Headquartered in Bloomington, Indiana, the company designs and manufactures innovative medical devices for vascular access, interventional procedures, surgical instruments, and other healthcare applications. With approximately 12,000 employees, Cook operates as a global company with a long-term strategic vision rooted in its family business heritage. The company is known for its commitment to quality, innovation, and patient safety, serving as a major employer in the Midwest while maintaining operations across multiple continents. As a private company, Cook has maintained strategic autonomy and long-term thinking that contrasts with the quarterly pressures of public corporations.