Vitro Architectural Glass operates within the manufacturing sector, specifically focusing on the production of glass and related materials for architectural applications. The company provides technical resources aimed at assisting design professionals in selecting appropriate glass types for various building projects. A key publication, the Technical Document TD-138, discusses heat-treated glass, including heat-strengthened and tempered varieties, which are essential for reducing breakage risks associated with thermal stress and environmental loads such as wind and snow. The document outlines critical considerations for the design and application of heat-treated glass, addressing issues such as spontaneous breakage due to nickel sulfide inclusions and the importance of heat soak testing. Vitro Architectural Glass emphasizes the need for careful selection of glass products to comply with building codes and ensure safety in architectural glazing. The company is based in the USA and employs a small workforce, reflecting its specialized focus within the broader manufacturing industry.