Address
Green Advantage, Inc.
P.O. Box 3170
Frederick, MD 21705-3170
Phone
+1 703-431-7353
gorear@greenadvantage.org
Grady O’Rear, CEO
![](https://greenadvan.wpenginepowered.com/wp-content/uploads/2015/01/grady-orear-ceo-greenadvantage-150x150.jpg)
+1 443-736-9698
sabrina@greenadvantage.org
Sabrina Barger-Turner, Program Manager
![](https://greenadvan.wpenginepowered.com/wp-content/uploads/2023/09/SabrinaGreenAdvantage1-150x150.jpg)
Fax
+1 540-579-4227
General Questions | info@greenadvantage.org |
Certification Exams, Registration questions, Results, Group Scheduling, Retakes, etc. | exams@greenadvantage.org |
Green Advantage Directory Updates | directory@greenadvantage.org |
Help us update our standards | ces@greenadvantage.org |