- Closet Shelving
SJM Construction is your residential and commercial millwork specialist in Central Iowa. We are your source for custom cabinetry, custom closet systems, and all of your millwork needs. From design to installation, our quality and dedication is sure to impress. Millwork is completed in-house and held to the highest standards possible. Combining the craftsmanship of the past with the technology of today, we strive to provide quality millwork products for projects of all sizes.