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

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.

Hours: Sun-Thurs 8am - 5pm

Fri 8am-3pm

+1.717.585.0393 (PA)

+1.607.301.0884 (NY)

Community Resources

Contact Information

Cannabis Testing

Mission Statement

We now offer PA Certified hemp sampling!


We are proud to announce: 

We are officially the first nationally certified 

Woman-Owned Cannabis Laboratory in the U.S. 

1809 Vestal Parkway E

Vestal, NY 13850



Keystone State Testing

 is an independent, locally owned analysis, biotechnology, and research facility.  Through 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.