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Vistagen Therapeutics Inc is a biotechnology firm. The company is neuroscience-focused biopharmaceutical company dedicated to pursuing a pioneering approach to the development and commercialization of groundbreaking therapies for psychiatric and neurological disorders based on deep understanding of nose-to-brain neurocircuitry.
Smart Sand Inc. is a fully integrated frac sand company providing mine-to-well site proppant supply and logistics. It produces Northern White frac sand for enhanced hydrocarbon recovery in oil and gas wells. The company offers products like Smart System, SmartBelt, SmartDepot Silo, and SmartPath Loader. It is expanding into industrial markets, including glass, ceramics, and renewable energy, while its main revenue comes from sand sales and logistics.