Southwestern Supply Company Home Customer Information » Resources » About Us » Welcome! Thank you for your interest in my company. Your visit to our website means you must be one of the following; a customer, a vendor, an employee, a friend, or someone “interested”. Regardless of which category you fit in, your interest is welcomed and appreciated. Southwestern Supply Company (S2) is a unique business in the Arizona Fleet MRO market. First and above all, we credit our success/survival to our Lord Jesus Christ. In all business relationships, we do our best to follow His example. It is our belief in the “Golden Rule” that conceived the idea of the Customer Bill of Rights. More from the President M3 Service = Minutiae Maintenance for the MRO! The purpose of Southwestern Supply Company (S2) is to be your single source solution for shop essentials. M3 Service Customers’ Bill of Rights FasTrack Web Benefits Web Design by Wasmum Copyright © 2021 Southwestern Supply Company, Inc. | 480-636-3000 |