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Greystar Corp is a Houston, TX-based company in the Agriculture and Mining sector.
Stone Specialists is a Burton, MI-based company in the Agriculture and Mining sector.
Keystone Coal Co Inc is a Fort Myers, FL-based company in the Agriculture & Mining sector.
Marble and Granite Supply of Illinois is a Evanston, IL-based company in the Agriculture & Mining sector.
BlueOak Resouces (formerly BioMine) is a venture-backed start up developing novel solutions for recovering value from electronic waste. The company was co-founded by Priv Bradoo and Bryce Goodman in 2011 and, that year, was named Best New Alumni Venture by the Harvard Business School. Operations are currently based in Silicon Valley/San Francisco Bay Area.