Boeing Auburn is a 331-acre site with approximately 4.2 million square feet dedicated as a focused area of airplane component manufacturing that directly supports Boeing’s airplane production factories., and Commercial Aviation Services business unit. Nearly 5,900 people work at the site which, on average, ships 21,000 parts a day. The site has four manufacturing business units (MBUs) and an extensive manufacturing services and support team, and since 1966, the headquarters of Boeing Fabrication. Boeing Auburn ships over 400,000 parts per month -- individual parts, subassemblies, and kits, which are a group of parts for one area of the airplane. Production at Auburn is tightly coupled with Boeing’s airplane factories. In many cases, the production lines in Auburn serve as feeder lines, directly linked to the production lines in Renton, Everett, Wash. and North Charleston, S.C..