BAUER Aktiengesellschaft, together with its subsidiaries, provides services, equipment, and products related to ground and groundwater in Germany and internationally. It operates through three segments: Construction, Equipment, and Resources. The Construction segment engages in the foundation engineering activities. This segment also offers services for excavation pits, as well as foundations for infrastructure projects and buildings, cut-off walls, and ground improvement; and other construction activities, including bridges, civil engineering, environmental engineering, and remediation and building renovation works. The Equipment segment develops and manufactures foundation engineering equipment for large and small diameter bores for piles, diaphragm walls, anchors, injections, and wells; deep drilling equipment to drill for oil and gas; equipment for pile driving and ground improvement; and attachments and ancillary equipment; and equipment for exploration, mining, and exploitation of natural resources. This segment also designs and builds heavy-duty drilling rigs, trench cutters, grab systems, vibrators, and deep drilling rigs, as well as related tools. The Resources segment provides products and services for the water, environment, and mineral deposits sectors, as well as manufactures and sells materials for the engineering of bore holes and geothermal energy sources. BAUER Aktiengesellschaft was founded in 1790 and is headquartered in Schrobenhausen, Germany.