About
Founded in 1971, Collaborative Testing Services, Inc. specializes in quality assurance for laboratories. The company offers a range of interlaboratory and proficiency tests to help laboratories improve their measurement accuracy and performance. CTS is recognized as the first and largest forensic proficiency test provider, serving organizations worldwide since 1978. Their testing programs cover various disciplines, including forensic biology, drug analysis, and toxicology.
Services Offered
interlaboratory testing
proficiency testing