HPQ Silicon Inc., together with its subsidiaries, engages in the development of technologies in transformation of quartz into silicon materials and its derivatives in Canada. It is also developing a portfolio of silicon and silica products primarily for manufacturers of battery and electric vehicle, li-Ion batteries; and hydrogen applications. In addition, the company engages in developing the PUREVAP Quartz Reduction Reactors, a process to transform quartz into silicon metal. Further, it is involved in the manufacture of silicon nanoscale materials. The company was formerly known as HPQ-Silicon Resources Inc. and changed its name to HPQ Silicon Inc. in July 2022. HPQ Silicon Inc. was incorporated in 1996 and is headquartered in Montreal, Canada.