dnD Fire Protection is a fire protection contractor founded in 2001. It offers design-build, inspection, maintenance, repair, remodelling and consulting services for fire protection systems. Its work includes wet, dry-pipe, pre-action and deluge sprinkler systems, fire pump installation and testing, and CAD design with hydraulic calculations. It serves residential, commercial, industrial and institutional properties from offices in Chantilly, Virginia and Glenview, Illinois, and holds a Virginia Class A contractor licence (DPOR 2705172739).