Glass Technology Services Ltd (GTS) is an independent glass laboratory and research center in the United Kingdom.  GTS provides glass expert analysis, testing and research consultancy for many of the most renowned global glass manufacturers and designers.  Their distinguished team of scientists has expertise across glass manufacturing, processing, materials, chemistry, physics, design and engineering.  GTS provides comprehensive product analysis, testing, assurance and chemical analysis for a range of existing products and raw materials.  Their research provides clients competitive advantages, improved processes and the development of new glass compositions, treatments and technologies.
(http://www.glass-ts.com/)