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Most results are available in 5 business days

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Express Toxicology Services

Oklahoma Based Agricultural Research and Safety Testing Facility

Accurate testing of hemp and cannabis yields is vital for consumers and vendors in Oklahoma’s emerging market. Trust your cannabis and other agricultural yields to Express Toxicology Services, where all analyses are performed with state of the art equipment and all tests are analyzed by trained experts with decades of experience in the field.

Whether you are testing for quality assurance, dosage, or proper labeling of your product line, we can test your plants, oils, concentrates, edibles, and other products to ensure that your products provide optimal benefits for your consumers.

Most results will be available within 5 business days.

Why Employ Your Compliance Testing at Express?

Your Partner for Accurate Analysis

  • Our Laboratory Director has been a practicing physician for 39+ years
  • Our Laboratory Consultant has been working with controlled substances with the OSBI for many years
  • Most results are returned in 5 business days
  • Easily submit your order with our fillable intake forms
  • We have several sample collection sites available around the state for your convenience


We cover a variety of services

We offer a full range of testing for medical marijuana, CBD/hemp, and other related agricultural yields ranging from potency testing to contamination for other harmful substances such as pesticides and heavy metals. Whether it’s for quality assurance or formulation, analysis at Express Toxicology Services ensures your products’ quality.

Working Hours (Central)

November 26-28 (Thanksgiving)Closed
December 24-26 (Christmas)Closed
January 1 (New Years)Closed
*Collection Sites will be closed as well

Sampling & Testing Information

Please contact us for specific information about sample sizes, sampling procedures and analysis. We aim to make the process clear, transparent, and convenient for our customers. In state pick-up for samples are available for an additional cost. All Oklahoma Compliance Tests are 100% performed in-house on validated state of the art instrumentation. Due to unforeseen circumstances such as equipment failure etc. outsourcing a test may be necessary in order to complete your tests in the promised time period. We only outsource to those labs who have applied for an OMMA Laboratory License, Qualifying Accreditation and proven proficiency testing. If a test is outsourced, it will be notated in the notes section of the particular outsourced test.