Established in 1927, Hallen Welding Service provides in-house auto-cad designing, detailing, plotting and printing. Located in Long Island City, N.Y., the company offers specialized fabrications, including steel railings, folding door support, dunnage, catwalks, mezzanines and steel framing beams, to name a few. Additionally, it renders an array of services, such as crane, boom truck, surveying services and more. Hallen Welding Service has affiliations with Operating Engineers Local 15, Ornamental Ironworkers Local 580 and Structural Ironworkers Local 40.