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.

Contact Information

Mission Statement

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

Community Service Volunteering

Laboratory Sponsored Programs

Keystone State Testing - Cannabis Laboratory

We are proud to announce: 

We are officially the first nationally certified 

Woman-Owned Cannabis Laboratory in the U.S. 

Cannabis Testing

We now offer PA Certified hemp sampling!


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.

Community Resources

4949 Queen Ave, Ste 104

Harrisburg, PA 17109 



1809 Vestal Parkway E

Vestal, NY 13850



1809 Vestal Parkway E

Vestal, NY 13850


Hours: Sun-Thurs 8am - 5pm

Fri 8am-3pm

+1.717.585.0393 (PA)

+1.607.301.0884 (NY)