Green / Clean Technology
Since the firm’s founding over 20 years ago, we have invested in some of the most innovative and significant technology companies of our time. Sigma knows what it takes to help entrepreneurs turn creative ideas into sustainable businesses.
 | Envis Corporation Envis develops innovative software and hardware solutions that provide real time energy management and power reduction for digital integrated circuits. President & CEO: Paul McLellan | Santa Clara, CA | ||
 | RecycleBank, LLC RecycleBank has revolutionalized municipal recycling in America. By merging technology, incentives, environmental practices and partnerships, RecycleBank has developed a sustainable long-term solution to the recycle challenge. RecycleBank's mission "promote environmentally conscious waste disposal by offering households financial incentives to recycle." Founder and CEO: Ron Gonen | New York, NY | ||
 | Soladigm Soladigm is developing green building materials. CEO: Mike Scobey | Santa Rosa, CA | ||
 | Solaria Corporation Solaria has developed a breakthrough technology to deliver low-cost, high-efficiency solar PV solutions. The company’s unique low-concentration (2-3X) technology platform enables the production of two to three times the number of modules from the same amount of silicon material used in today’s conventional cells and modules. President & CEO: Suvi Sharma | Fremont, CA | ||
 | TJet Technologies TJet is committed to making Organic Light Emitting Diode (OLED) based displays the dominant flat panel display technology. CEO: Conor Madigan | Menlo Park, CA | ||