Built for the Most Demanding Healthcare Environments
AJ Manufacturing creates modular operating room ceiling systems and custom healthcare ceiling solutions designed to perform in the most demanding clinical and laboratory environments.
Our integrated ceiling platforms bring together airflow control, lighting, and essential utilities to create cleaner, safer, and more efficient spaces—helping healthcare teams focus on what matters most.
Trusted Cleanroom Solutions, Engineered to Last
From ISO-compliant cleanroom solutions to integrated fan filter units and durable stainless steel cleanroom products, AJ delivers precision-built systems you can rely on.
As a leader in healthcare manufacturing with nearly a century of experience, we design every solution to meet strict regulatory standards while delivering long-term performance, reliability, and peace of mind in controlled environments.
Organizations Who Trust Us















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.










