Canada – Underwriters Laboratory – United States
Underwriters Laboratories® is an independent product safety certification organization that has been testing products and writing standards for safety for more than a century. UL evaluates more than 19,000 types of products, components, materials and systems annually with 20 billion UL Marks appearing on 72,000 manufacturers' products each year. UL's worldwide family of companies and network of service providers includes 64 laboratory, testing and certification facilities serving customers in 98 countries.
Intertek – Electrical Testing Laboratories
The Intertek’s ETL Mark is recognised all over North America. It indicates that a product has been tested by an accredited third party testing laboratory, and meets the applicable safety standards and minimal requirements for sale or distribution within North America.
Southwest Research Institute
Southwest Research Institute is an independent, non-profit applied research and development organization. The staff of more than 3,300 specializes in the creation and transfer of technology in engineering and the physical sciences. The Institute occupies more than 1,200 acres in San Antonio, Texas, and provides nearly two million square feet of laboratories, test facilities, workshops and offices.