Manufacturer & Installer of Guide Rail & Signs Elderlee, Inc is a diversified corporation specializing in the manufacturing and construction of highway safety products. Started in 1946, we are a fourth generation privately owned company with facilities servicing the U.S. east coast. Our 200,000+ square foot manufacturing operations are centrally located in upstate New York and consist of steel fabrication, hot dip galvanizing services, and sign manufacturing capabilities for both the highway and commercial markets. Our construction division specializes in the installation of highway guardrail, bridge rail, pedestrian rail, impact attenuators, traffic signs and overhead sign structures. When combined with affiliate operations, our crews will operate from New York to South Carolina.