Boulder-based Surna (OTC:SRNA), which makes equipment for controlled environment agriculture (CEA) and serves the cannabis industry, reported sales of $2.5mm in the first quarter, up from $819K a year...

Stephen Keen, the CEO of Boulder-based Surna, Inc. (OTC: SRNA), spoke at the National Cannabis Summit in Denver on October 12th.  Keen, who merged Hydro Innovations, which he founded...

CFN Media interviewed Stephen Keen, the CEO of Surna, Inc. (SRNA), at the Cannabis World Congress and Business Expo in Los Angeles in September.  Surna, based in Boulder, Colorado,...