INFICON Holding AG, headquartered in Bad Ragaz, Switzerland and founded in 2000, develops, manufactures and markets innovative instrumentation, critical sensor technologies, and advanced software solutions including Smart Manufacturing and Industry 4.0 tools that enhance productivity, quality and process control in industrial applications worldwide; its core products encompass leak detectors and service tools for HVAC/R and automotive sectors, industrial gas analyzers, mass spectrometers and residual gas analyzers, process control sensors, vacuum gauges, controllers, components and feedthroughs, chemical detection and monitoring systems, quartz crystal and thin film deposition monitors, RF sensing technologies, intelligent manufacturing systems, and toxic chemical analysis products for emergency response, security and environmental monitoring, serving key industries such as semiconductors, vacuum coating for optics, displays and solar cells, life sciences, aerospace, research, packaging, heat treatment and energy with manufacturing facilities in Europe, the United States and China plus subsidiaries across Asia, Europe and North America. The company maintains dominant market positions in gas leak detection and vacuum measurement technologies while operating through segments focused on semiconductor and industrial applications with primary sales in the Asia Pacific region. Recent developments include expansion of worldwide production capacities by 50% at sites in Balzers, Liechtenstein; Cologne, Germany; and Aaland, Finland; the establishment of a new merged facility in Korea with clean room capabilities; relocation of product lines to a fully operational production site in Malaysia; acquisition of FabTime software at the start of 2024 to bolster digital offerings; announcement in December 2025 of land acquisition adjacent to its Balzers site for long-term growth and manufacturing consolidation; and appointment of Dimitrij Lisak as incoming Chief Financial Officer effective July 2026 succeeding Matthias Tröndle, alongside preliminary 2024 results showing stable sales of USD 671 million and operating income of USD 136 million.