The Ventures | RRE Ventures | Menlo Ventures | Index Ventures | Rho Ventures | Redpoint Ventures | Battery Ventures | Austin Ventures | Khosla Ventures | IDG Ventures | Google Ventures | Advanced Technology Ventures | Mohr Davidow Ventures | Felda Global Ventures Holdings | CMEA Capital | Blue Ventures | Baseline Ventures | Alloy Ventures | Albion Ventures |
Major investors included George Kaiser Family Foundation, U.S. Venture Partners, CMEA Ventures, Redpoint Ventures, Virgin Green Fund, Madrone Capital Partners, RockPort Capital Partners, Argonaut Private Equity, Masdar and Artis Capital Management.