Sullair LLC. is headquartered in Michigan City, Indiana, USA. It has focused on the development and manufacture of screw air compressors for more than 50 years. It is one of the most well-known air compressor brands in the world. In July 2017, Sullair officially became a member company of the Hitachi Group. The main production is based in USA and China. Its sales and after-sales service network covers worldwide including China, Southeast Asia and other Asian regions.

The main products produced by Sullair include lubricated and oil-free (fixed and variable speed drive) rotary screw air compressors, portable air compressors, screw vacuum pumps, air dryers, after treatment filters, and genuine spare parts, which are widely used in food and beverage, glass and bottling, steel, foundry, metal, cement, mining, pulp and paper, plastic packaging, petrochemical, power plants, semiconductors, automotive, air crafts, garments, general manufacturing, etc.

Only Sullair provides customers with 10-year warranty and has kept it for 35 years. It will keep going.