Rational AG makes and distributes cooking appliances used in professional kitchens. The company produces self-cooking appliances that use steam, hot air, or liquids to heat food combining conventional cooking systems, allowing for an automated meal-preparation process. The customers include restaurants, hotels, large-scale catering operations, and quick-service providers. Rational segments are reported as DACH (Germany, Austria, Switzerland), EMEA (Europe, Middle East, Africa), Americas (North and Latin America), and Asia. Their core market is Europe, generating more than half of total sales revenue.