Onninen is one of the Nordic region's leading electro wholesalers. We help you with the right materials in electrical and plumbing, and contribute to efficient operations in construction, projects and production. With good services and logistics solutions, we want to make customers' everyday lives easier. Onninen has a total of 19 Express stores in Norway, of which 4 are megastores. Onninen is part of Finnish Kesko, which also owns Byggmakker.