 ENGLEWOOD, Colo., March 30, 2021 PRNewswire -- Zynex, Inc. NASDAQ: ZYXI, an innovative medical technology company specializing in the manufacture and sale of non-invasive medical devices for pain management, stroke rehabilitation, cardiac monitoring and neurological diagnostics today announced the Denver Business Journal has recognized Zynex as the sixth largest BiotechnologyBioscience public company in Colorado based on number of companywide employees as of November 1, 2020. 