CARBONBUILT INC.

HEADQUARTERS: Westwood

BUSINESS: Developing and preparing to market concrete injected with carbon dioxide

CEO: Rahul Shendure

FUNDING TO DATE: Nearly $12 million

NOTABLE: CarbonBuilt was part of a team that won NRG Energy Inc./Canada Oil Sands Innovation Alliance’s Carbon XPRIZE to see who could develop the best technology to reuse carbon dioxide that would otherwise be emitted into the atmosphere.