Slate Hill Constructors, Inc. is a general construction firm that was founded in 1985 by Jeffrey A Hanlon. Slate Hill is a New York State Corporation based out of Central, New York and also performs work in the Fingerlakes Region, Southern Tier, North Country and Mohawk Valley areas in New York State. Slate Hill specializes in new construction and rehabilitation of highways, bridges, culverts, dams, and streetscape improvement projects.