VAS AG is an Austria-based engineering and plant construction company specializing in the design, engineering, procurement, and commissioning of turnkey biomass power plants, industrial heating systems, and advanced flue gas cleaning technologies. Founded in 1989 and headquartered in Wals-Siezenheim, Austria, the company provides sustainable thermal and electrical energy solutions to municipal energy suppliers, district heating network operators, wood processing enterprises, and heavy industrial facilities across Europe. The company offers a comprehensive portfolio of products and engineering services, which includes biomass-fired combined heat and power plants; solid biomass combustion units utilizing reciprocating grate and fluidized bed technologies; industrial steam, hot water, and thermal oil boiler systems; flue gas treatment and condensation plants, including electrostatic precipitators, fabric filters, and energy recovery scrubbers; modular energy generation containers; process automation, instrumentation, and control software systems; and full-scope plant lifecycle management services, including engineering consulting, plant retrofitting, scheduled maintenance, emissions compliance upgrades, and spare parts provisioning. In recent developments, VAS AG has expanded its market penetration across Central and Western European renewable energy markets, secured multi-megawatt industrial biomass facility contracts, advanced its engineering integration capabilities for industrial decarbonization and bioenergy carbon capture readiness, established strategic supply partnerships with regional district heating developers, and reorganized its plant lifecycle and operational service divisions to support long-term energy transition infrastructure projects.