DeLaval is a producer of dairy and farming machinery, with a head office in Tumba, Sweden, and is part of the Tetra Laval group.
In 1903 the company initiated the agricultural national fair, and in 1911 the International Dairy Congress.
[6] The company started marketing the first commercially practical milking machine in 1918, after Gustaf de Laval's death in 1913.
Alfa Laval continues with specialized products and solutions for heavy industry.
In 2020, DeLaval bought the "milkrite | InterPuls" milking equipment business from British company Avon Rubber.