Gefu Oberle AG manufactures and sells CO2‑neutral calf milk powder for rearing and fattening, liquid whey-based feeds and other raw materials derived from milk by-products; the company also produces biogas, methane as a CO2‑neutral fuel alternative, liquid CO2 for the food sector and electricity. It provides group services including procurement and sales, transport planning, finance and HR, calf‑fattening accounting, and the production, maintenance and service of automated feeding equipment and related accessories.