Brødrene A & O Johansen operates in the construction industry. The company delivers products and services within plumbing, electricity, sewerage, and drainage, as well as water supply. The product portfolio includes, for example, pipes, electrical cables, insulation materials, pumps, vacuum cleaners, cement mixers, and tools. The largest operations are in the Nordic and Baltic markets. The company was founded in 1914 and is headquartered in Albertslund.