The cotton is picked, shipped to the mill to be spun into thread. The thread is then packaged and shipped to be made into material. This material is then shipped to the clothing manufacture. Which of these is a "tier three" (3) supplier to the clothing manufacturer? The cotton is picked, shipped to the mill to be spun into thread. The thread is then packaged and shipped to be made into material. This material is then shipped to the clothing manufacture. Which of these is a "tier three" (3) supplier to the clothing manufacturer? The mill producing the thread The farmer picking the cotton The manufacturer of the cloth The clothing manufacturer