Dionisio Welding is located in Copiague, New York. We've been in the welding industry since 1983, and we're certified Heli-Arc, TIG, MIG, stick, and plasma welders. We're also brazing specialists. We can handle your welding job, in-house or on-site. We specialize in marine products that are custom made to fit your needs. Our experience guarantees quality and efficient service on every job. ...read more