30/01/2026
Stonebridge Electro Mechanical Engineering (SEMEG) is a trusted South African manufacturer of high quality, custom- engineered transformers and electrical solutions. We specialise in the design and manufacture of distribution, solar plant, dry-type and pole- mounted transformer, as well as fully integrated mini substations. In addition to manufacturing, SEMEG offers comprehensive repairs, refurbishment, testing and preventative maintenance services, helping client extend asset life and ensure reliable, long-term performance. All work is carried out in strict accordance with SANS, IEC and international standards. Take a moment to explore our catelogue and discover how our innovative solutions can add value to your next project.