Doors, Siding, New Cabinets to be Used in San Francisco, East Bay Housing renovated by Aimco. Apartment Investment and Management Company ( Aimco ), one of the nation’s largest owners and operators of apartment communities, is donating $300,000 worth of building materials that will be used by Habitat for Humanity to construct housing for those in need. “We are very pleased to provide these excess materials, including new doors, siding, window frames and other fixtures from some of