Atlas Copco manufacture industrial tools, mobile compressors and stationary compressed air systems, vacuum pumps , equipment for construction and mining, and assembly systems. In addition, they offer the appropriate services and opportunities for rental. The products are sold in more than 180 countries through a global sales and service network under various brands, which are wholly or partially owned by Atlas Copco, sold and leased. Europe is the largest market for Atlas Copco. The group is active in various business markets and has four business units: Compressor technique, Mining and Rock Excavation Technique, Construction technique and Industrial technique.