The National Gallery of Art in Washington, DC seeks a contractor for preventative maintenance and repair services on a wide variety of entrance, passage, and security doors across its campus. The required services include all labor, materials, and management for maintenance, repair, and operational checks. The contract will be multi-year and awarded to a single contractor, who may perform the services directly and manage specialized subcontractors. Interested contractors must submit a statement of interest to a specified email contact, including their business details and a statement of capability.