IVA Schmetz GmbH is a leading manufacturer of industrial furnaces for heat treatment, offering customized vacuum and atmosphere systems for over 75 years. BMI Fours Industries contributes advanced technologies such as low-pressure carburizing and plasma nitriding. Mahler GmbH in Plochingen completes the network with continuous furnaces under protective gas for sintering applications. Together, they provide global service: consulting, commissioning, training, maintenance, spare parts, and modernization.