The Messer brand name stands for a constant presence in the markets for industrial gases and cutting and welding technology stretching back since 1889. The associated companies present themselves to customers and partners with the well-known brands:
| ASCO Carbon Dioxide is a globally operating provider of complete CO2 and dry ice solutions. |
| BIT is a development, manufacturing and service partner for diagnostic medical technology. |
| Messer Cutting Systems is a global supplier of oxyfuel, plasma and laser cutting systems and a partner for metalworking industrial companies in these fields. |
| Messer Group is the world's largest privately held specialist for industrial, medical and specialty gases. |
| Messer Medical Home Care Holding develops products and services to enable patients to be looked after in their home environment. |
| Spectron Gas Control Systems is a leading technology provider for gas supply systems. |
| Messer Business & IT Consulting offers IT solutions for different business requirements |