Since 1924, A-J Manufacturing has specialized in standard and made-to-order stainless steel air outlets for industrial, commercial and institutional buildings. 

Today, A-J is a lean, just-in-time, manufacturer, and the company continues to produce some of the world’s best commercial stainless steel HVAC products with a strong emphasis on products specifically designed for sterile environments. A-J remains a strong presence in the HVAC industry, and continues to grow and diversify its products, many of which are featured in the world’s most successful hospitals, laboratories and commercial buildings today.