Stromberg Metal Works is headquartered in Beltsville, Md., and has locations throughout Maryland, North Carolina and Virginia. It provides metal design, fabrication, installation and service. Stromberg s products include architectural, ornamental and specialty metal; spiral ductwork; hoods; panels; grilles; and flange systems. Its manufacturing facility includes plasma-cutting tables and computer aided drafting systems. The company has completed projects for offices throughout Washington, D.C., ranging from maintenance checks to multi-million dollar contracts. Stromberg Metal Works has been in business since 1940.