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OUR PORTFOLIO
Current Investments
Past Investments

NG Advantage
NG Advantage is a Colchester, VT based supplier of compressed natural gas for industrial and commercial customers.

Protonex
Protonex is a Southborough, MA based provider of power management electronics and fuel cell solutions for portable, remote and mobile power.

Next Step Living
Next Step Living is a residential energy efficiency company, providing home energy diagnostics and improvements.
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