Leveraging a deeply-rooted background in facilities maintenance and specialized services, DynaServ has developed over 40 year ... s of experience servicing outdoor street furniture in New York City. In addition to offering cleaning and advertising installation services to the outdoor advertising industry, we also provide sign repair and installation, field services and electrical maintenance. There is a continuous focus on targeted growth and expansion of our service capabilities in order to anticipate the needs of our clients and the industries that we serve. read more