Haverstraw, New York, United States | New Hamburg, New York, United States | Parsippany, New Jersey, United States | Pompton Lakes, New Jersey, United States | West Nyack, New York, United States | Wharton, New Jersey, United States. Located in New York and New Jersey, Tilcon New York Inc. is an integrated materials company with multiple quarry locations, water terminals, heavy highway construction division, asphalt and recycle plants.