Certifications
- Virginia VELAP Accreditation - Madisonville
- ISO 17025:2005 Perry Johnson - Madisonville
- Kentucky Environmental & Protection Cabinet Wastewater - Madisonville, Louisville, Lexington, Paducah, Pikeville
- Indiana Board of Animal Health /FDA Dairy Packaging Certification - Farmersburg
- Indiana State Department of Health Microbiology - Farmersburg, Madisonville
- Tennessee Department of Environment & Conservation (Microbiology)- Madisonville
- Ohio Environmental Protection (Cryptosporidium) - Madisonville
- West Virginia Department of Health & Human Resources (Cryptosporidium) - Madisonville
- EPA Region IV (Cryptosporidium) - Madisonville
