OGSI To Celebrate 25 Years

Published Wednesday, August 26, 2020

On September 25th, 2020; Oxygen Generating Systems Intl. (OGSI) will be celebrating it's 25th anniversary with a company luncheon. We would like to recognize founders Joseph McMahon and Robert Schlehr for this tremendous achievement! Congratulations, and here is to many more years of success!

  • US Green Building Council logo
  • C UL US logo
  • Inc 500 logo
  • VOSB logo
  • CE logo
  • SBA logo