R & R Fabrication, 170 Schooner Ln, Prince Frederick, MD 20678, US

Founded in 1966, Hallmark Iron Works provides design, fabrication and installation services for complex architectural metal and structural steel projects. The company offers a wide range of products, such as guardrails, stairs, custom gates, handrails and arched fences. Additionally, its product line includes metal stairs, ladders, structural supports and lintels. The company s capabilities include stainless steel and aluminum fabrication. Its projects include the University Commerce Center and Howard Hughes Medical Institute. In addition, Hallmark Iron Works has produced structural components for various construction projects, including the Metro Station and Regan International Airport. The company is located in Newington, Va., and is a member of the National Ornamental and Miscellaneous Metals Association.