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+1.717.585.0393 (PA) 

+1.607.301.0884 (NY) Vestal

Sun-Thurs 8am - 5pm
 Fri 8-3pm​

 Please contact us to set up an appointment.

Press Highlights

Mission Statement

YouTube Video

Cannabis Testing Highlights

Contact Information

We do not accept Walk-in's at this time

Keystone State Testing strives to be the gold standard in cannabis testing by achieving the highest levels of accuracy and precision in analytical solutions while using integrity, rigor and scientific standards.