 The 17 locations surpassed Zambelli's own achievements of 10 for Pittsburgh's New Year's Eve 2000 show, and 13 on the Las Vegas Strip.The company produces over 2,000 shows annually, 800 of which take place during the Fourth of July holiday.Aside from its global headquarters in New Castle, Pennsylvania Zambelli Fireworks has offices in Boca Raton, Florida, Shafter, California, Frederick, Maryland, Raleigh, North Carolina, Myrtle Beach, South Carolina, Denver, Colorado, Brainerd, Minnesota, and Cincinnati, Ohio.