6825 E 38th Street
Tulsa, OK  74145-3201
Hours of Operation:
M - F    8 AM - 5 PM

Toll Free:                       800 324 5757
Telephone:                    918 828 9977
FAX:                             918 828 7756

Customer Service / Sales: Janet Fitzgerald
janetf@greencountrytesting.com
Data Management / Login: Keri Little
keril@greencountrytesting.com
Quality Assurance: Star Yuan
stary@greencountrytesting.com
Laboratory Director: Brian Duzan
briand@greencountrytesting.com
Website/Online Data Retreival/General Support: support@greencountrytesting.com