Huston-DePue Calibration Laboratories (HDCL) is an ISO/IEC 17025 accredited laboratory through A2LA, the American Association for Laboratory Accreditation. HDCL is also accredited to ANSI/NCSL Z540 and R205.

If you have any questions about our certifications or accreditation please contact us.

HDCL's A2LA Certificate.

Accreditation is synonymous with both quality and competence of an organization, through the use of international standards. A2LA is a third-party body that performs accreditations to various international standards, ensuring an unbiased and objective evaluation of HDCL’s functions.

A2LA is the only independent, 501(c)3, non-profit, internationally-recognized accreditation body in the United States that offers a full range of comprehensive laboratory and laboratory-related accreditation services and training.

Established in 1978 as a non-profit, public service membership society, A2LA is dedicated to the formal recognition of competent testing and calibration laboratories, inspection bodies, proficiency testing providers, and reference material producers.

HDCL's accreditation through A2LA is internationally-recognized and based on globally-accepted criteria resulting in A2LA’s signatory status with the following international recognition arrangements: