The core activity of Quorex is the provision of services and products for the natural gas industry, particularly in the field of compressor technology. This includes: the sale of spare parts and services for natural gas compressors; the provision of engineering services for natural gas compressors, gas treatment and power generation; the delivery of new compressors and other equipment for the natural gas industry; the performance of maintenance and repair work for natural gas compressors; and the monitoring of industrial plants and equipment in the natural gas industry. Quorex positions itself as an aftermarket company specializing in the provision of services and products for the natural gas industry.