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AJ Manufacturing: A Legacy of Precision, Built for Critical Environments
Founded in the mid-1920s, AJ Manufacturing has grown from its early days as one of the nation’s largest residential and light commercial sheet metal manufacturers into today’s industry leader in custom stainless steel HVAC solutions. Since shifting our focus in 1974, we’ve specialized in designing and producing high-performance grilles, diffusers, registers, and ceiling systems—engineered to meet the exacting standards of hospitals, laboratories, and commercial buildings nationwide.
Now operating from our 70,000-square-foot facility in Kansas City, Missouri, AJ remains a family-led company where innovation and personal service go hand in hand. Under the leadership of the Haake family, our team of skilled engineers, craftspeople, and specialists delivers products that combine quality, precision, and efficiency at every stage—from design to delivery.
With nearly a century of expertise, AJ Manufacturing continues to set the standard for air distribution products in critical environments. Our mission is simple: provide the most reliable, custom-engineered solutions while ensuring every client’s experience is as seamless as the systems we create.
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