Since 1971
Your Trusted Partner In Proficiency Testing
Serving your evolving quality assurance needs with innovative forensic and industry interlaboratory proficiency testing. Proudly 100% employee-owned.
Industry Proficiency Testing
since 1971
The marketplace is global. Your interlaboratory test provider should be, too.
Quality buzzwords come and go, but our 50+ year commitment to assisting laboratories in meeting their quality assurance objectives remains. Find out how our industry proficiency testing programs can help you achieve better measurements, better control, and better laboratory performance.
Forensics Proficiency Testing
Since 1978
Innovative testing, designed by and for the communities we serve.
As the first—and still largest—forensic proficiency test provider, we continue to set the benchmark for case-like, relevant testing. Discover why organizations around the world turn to us each year to meet their proficiency testing needs.