Fortistar Sustainable Solutions Corp. (Nasdaq: FSSI) is a blank-check company that completed its initial public offering in 2021, targeting acquisitions in the clean energy, environmental services, and sustainable infrastructure sectors. The SPAC is sponsored by Fortistar, a New York-based private equity firm with more than twenty years of experience investing in environmental and clean-energy assets including landfill gas recovery, compressed natural gas fueling infrastructure, and waste-to-energy projects. The company filed an amended S-1 registration statement with the SEC on January 22, 2021, as part of its pre-IPO process. Investors and analysts seeking complete filing history, sponsor profiles, and deal tracking for FSSI can sign up for full data access at SpacDesk.