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Private company

ISE Corporation

Logo: https://web.archive.org/web/20060716001949/http://www.isecorp.com/contact-us.php, Non-free logo, via Wikipedia3

American hybrid electric powertrain system manufacturer

ISE Corporation ("International Space Enterprises", later "Innovative Solutions for Energy") was a manufacturer and integrator of heavy-duty hybrid electric powertrain systems for transit bus and truck use, based in San Diego and later Poway, California. ISE was founded in 1995 and filed for bankruptcy in 2010, shortly after raising $20 million in its initial public offering on the Toronto Stock Exchange.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

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ISE Corporation ("International Space Enterprises", later "Innovative Solutions for Energy") was a manufacturer and integrator of heavy-duty hybrid electric powertrain systems for transit bus and truck use, based in San Diego and later Poway, California. ISE was founded in 1995 and filed for bankruptcy in 2010, shortly after raising $20 million in its initial public offering on the Toronto Stock Exchange.2

Sources

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