ATI is a manufacturing company based in the United States, specializing in building materials. Founded in 1996, the company has grown to employ between 5,001 and 10,000 individuals and reports significant revenue. The company’s operations include a structured supplier onboarding process, as evidenced by their published supplier onboarding checklist, which outlines the necessary documentation and requirements for both domestic and international suppliers. This checklist includes various forms such as the Supplier Onboarding Forms, Certificate of Insurance, and Services Agreement, detailing the specific requirements based on the type of supplier and the nature of the services provided. The onboarding process is designed to ensure compliance with ATI’s Supplier Expectations and Supply Chain Policies, emphasizing the importance of proper documentation and adherence to established guidelines. Overall, ATI appears committed to maintaining a comprehensive and organized approach to supplier management within the building materials sector.