History of ABB: ABB is a combination of the Swedish company Asea and the Swiss company Brown Boveri (formerly BBC). The two companies merged in 1988 to form ABB. ABB now has several branches around the world. The company's high-pressure products are made in Sweden, instrumentation products including sensors and controllers in Germany and Switzerland, and some low-pressure products, including the company's MCCB SACE switches. In addition to the above products, the company produces Executor of turnkey projects in the electricity, oil and gas, cement, etc. industries. In general, both ASEA and Brown Boveri are among the leading companies in Europe with a history of activity in the late nineteenth century, when the electricity industry flourished in Europe. Both claim to have built the first three-phase AC systems in Europe.