HOUSTON--(BUSINESS WIRE)--NanoTech Materials (NanoTech), an advanced material science company tackling the most urgent energy efficiency and fire resiliency challenges across critical infrastructure, today announced the close of its $29.4 million Series A round. The round was led by HPI Real Estate & Investments with participation from strategic investors Goose Capital and Milliken & Company. NanoTech, which currently operates a 43,000-square-foot manufacturing facility in Katy, TX has