HFI Pyrotechnics investing $120M for expansion in Edwardsburgh Cardinal Pyrotechnics company aims to significantly expand its presence, and employment, over the next five years. Photo by John Lawless / The Brockville Recorder and TimesArticle content Business is booming for HFI Pyrotechnics, as the company has announced an enormous $120 million expansion at its Edwardsburgh Cardinal facility, located just outside of Domville. Advertisement 2 Story continues below This advertisement has not loaded yet, but your article continues below. “Securing this initial $120 million in new contracts and investment is a turning point for HFI,” said Rhiannon Iles, president of HFI Pyrotechnics. Please try againArticle contentAdvertisement 3 Story continues below This advertisement has not loaded yet, but your article continues below.