Headquartered in Cologne, Germany, TÜV Rheinland was founded in 1872. As an international leading independent third-party certification body with a history of more than 140 years, it has 500 branches in more than 60 countries and regions around the world.

SGS is an internationally recognized inspection, verification, testing, and certification organization with more than 97,000 employees around the world, distributed in more than 2,600 branches and laboratories, forming a global service network. SGS has long been ranked among the Forbes Global 2000 and is a leader in the global inspection, testing, and certification service industry. SGS has been included in the Dow Jones Sustainability Index for five consecutive years and the FTSE Social Responsibility Index for the second year.

Intertek Group is one of the FTSE 100 companies in the UK. With more than 1,000 laboratories and branches in more than 100 countries around the world, and more than 44,000 professional employees, Intertek is committed to innovation and customization. Our solutions for assurance, testing, inspection, and certification bring peace of mind to our customers' operations and supply chains.