ABOUT US

· Seamless certification testing
· Code and regulatory compliance assessment
· Product development validation

DLI was established in 1923 by Dr. Helman Rosenthal, a renowned chemist. Since then, DLI has evolved beyond chemical analysis to offer a wide variety of testing services with a reputation for professional, dependable and uncomplicated service.

DLI maintains membership in several trade and professional associations, including:
ASTM International
American Concrete Institute
American Chemical Society
National Rubber Council
We are accredited by the American Architectural Manufacturers Association (AAMA) and listed by ASTM.

In addition, DLI is recognized by Canadian standards organizations via harmonization of North American standards through AAMA.
Standards Council of Canada (CSS)
Canadian Standards Assn (CSA)