Vendor:Keystone State Testing, LLC

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Keystone State Testing, LLC
Type Limited liability company
Industry Cannabis industry
Genre Cannabis testing
Headquarters 4949 Queen Ave., Harrisburg, Pennsylvania, U.S.
Number of locations 1
Area served Pennsylvania
Key people Kelly Greenland
Services Cannabis testing, consulting

Keystone State Testing, LLC performs chemical Cannabis laboratory testing and provides consulting services, including cultivation consulting and stability studies.


The company was formally founded in Pennsylvania in March 2017.[1] In May 2018 the company was formally allowed to test in North Dakota, operating as Dakota State Testing.[2] The ND lab became registered in June 2018.[3]

At some point in late 2020 or early 2021, Keystone removed its Dakota State Testing location from its website. It's not clear what happened, only that in late 2021, The Dickinson Press casually indicated that Adams Independent Testing, LLC was testing medical marijuana for the state of North Dakota.[4] Presumably some transition occurred, with Dakota State Testing leaving and Adams Independent Testing stepping in, but it's not clear when this transition occurred.


The following laboratory locations are known. Services may vary among locations:


The company doesn't make its Cannabis testing pricing public.

Additional information


  1. "Search Business Entity". Pennsylvania Business Entity Search. Government of Pennsylvania. Retrieved 25 May 2019. "Search for entity # 6518744" 
  2. "North Dakota chooses medical marijuana laboratory company". The Associated Press. 21 May 2018. Retrieved 25 May 2019. 
  3. "Business Search". North Dakota Business Search. Government of North Dakota. Retrieved 25 May 2019. "Search by name or ID # 0000169785" 
  4. Schmidt, H. (10 October 2021). "Fargo lab keeps 'Wild West' of hemp and marijuana industry in line". The Dickinson Press. Retrieved 30 July 2022.