Pyro Spectaculars is headquartered in Rialto, California, USA, and occupies a portion of a former World War II military munitions facility. The company is one of the largest designers and producers of fireworks displays in the United States. The President and CEO is James Souza.The site was operated by defense contractors and fireworks companies, prior to Pyro Spectaculars taking over a portion of the larger 160-acre (0.65 km2) site in 1979.