Saint-Gobain Crystals has been awarded ISO 9001 certification by the International Organization for Standardisation. This certification includes all three Saint-Gobain Crystals Photonics Division manufacturing locations within the United States: precision optics and thin film production in Boulder, Colorado, laser crystal fabrication in Washougal, Washington, and sapphire substrate manufacture in Milford, Connecticut. ISO 9001 is an international standard that specifies how an organisation implements a comprehensive quality management system, and which includes processes for customer service, record-keeping, adherence to customer requirements and continuous product improvement.