Established in 1920, D.H. Pace Company specializes in manufacturing commercial door entry systems. The company offers sales, installation and service of various types of commercial and industrial doors. It sells various types of products, such as sectional doors, electronic door operators, security gates, high-speed doors, bug barriers and industrial doors. The company offers a wide range of support services, including 24-hour emergency assistance and fire door inspection. The company also provides on-site training programs for customers. Additionally, it offers construction-related services, including millwork and carpentry. It also sells integrated security systems, restroom partitions and mailboxes. The company is located in North Kansas City, Mo.