Seagate US LLC

What Seagate Does Here: The worldwide Recording Head Operation headquartered in Bloomington is the company's internal and principal supplier of recording heads. The division's leading research and development capabilities allow the company to design and develop best-in-class read/write heads for hard drives. Disk drive head technology is one of the most precise, complex and dynamic technologies in computing. It is the disk drive head—no larger than a grain of coarse sand—that writes, saves, erases, receives and sends data.