If you're seeing this message, that means JavaScript has been disabled on your browser , pleaseenable JS to make this app work. Get Updates
92 Followers on Owler
PSI Funding History Since PSI was founded in 1985, it has participated in 10 rounds of funding. In total PSI has raised $643.0M. PSI's last funding round was on Jul 2025 for a total of $135.0M. PSI Funding Rounds Post-IPO Debt
Jul 2025
$135M
__
Post-IPO Debt
May 2023
$25M
1
Post-IPO Debt
Dec 2022
$50M
1
Post-IPO Debt
Apr 2022
$30M
1
Post-IPO Debt
Jul 2021
$25M
1
PSI Investors Post-IPO Debt
May 2023, Apr 2022
Post-IPO Debt
Mar 2021, Mar 2020
PSI has 6 investors, including Weichai America Corp., Weichai America Corp and Weichai America corp. The latest investment occurred in Jul 2025. 
