A. M. Castle & Co. ensures quality across its divisions through rigorous quality management systems. We maintain ISO 9001 and AS9100 certifications, demonstrating commitment to high standards in manufacturing and administrative processes. All equipment undergoes IQ, OQ, and PQ validation, ensuring machining processes preserve material properties. Value-added services comply with ISO, ASTM, and OEM specifications. This structured approach ensures consistent quality in all products and services offered by Banner Commercial, Banner P&M Supply, Banner Medical, Castle Metals Aerospace, Castle Metals Industrial, Edge International, NKS, and Supra Alloys.
