We are proud to announce: 

We are officially the first nationally certified 

Woman-Owned Cannabis Laboratory in the U.S. 

We now offer PA Certified hemp sampling at our PA location!


Contact Information

Cannabis Profile & Potency Testing

Terpene Profile Testing

Pesticide Detection

Residual Solvents

Microbial Detection

Heavy Metal Detection

Macroscopic Inspection

Plant Profile & Gender

Leachable Studies

Accelerated Stability Studies

Cultivation Consultation

Strain Confirmation


Vapor Analysis



Customized Services

Keystone State Testing - Cannabis Laboratory

Keystone State Testing

 is an independent, locally owned analysis, biotechnology, and research firm.  Through  the scientific process we seek to enable cultivators, dispensaries, manufacturers, and consumers with knowledge and transparency. We are committed to excellence by ensuring accuracy, safety, speed, reproducibility, and cost effective solutions for our clients.

+1.717.585.0393 (PA) 

+1.607.301.0884 (NY) Vestal

Sun-Thurs 8am - 5pm
 Fri 8-3pm​ 



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

Mission Statement

 Please contact us to set up an appointment.

Services & Sampling

1809 Vestal Parkway E

Vestal, NY 13850




4949 Queen Ave, Ste 104

Harrisburg, PA 17109 




1809 Vestal Parkway E

Vestal, NY 13850



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.