7 of the world’s oldest tech companies still rewriting the future

The article highlights seven of the world’s oldest technology companies that have continuously reinvented themselves over the past 150 years, adapting to massive technological shifts and industrial changes. These firms began with early technologies such as telegraphs, glassmaking, and paper production, evolving into modern leaders in telecommunications, engineering, materials science, and digital infrastructure. Their histories provide insight into the long-term nature of innovation and resilience in the tech sector. Among the companies discussed, BT Group originated in 1846 as the Electric Telegraph Company and has transitioned from telegraph networks to broadband, mobile, and cybersecurity services in the UK. Siemens, founded in 1847, evolved from electrical telegraphy to a diversified engineering conglomerate involved in electrification, automation, healthcare imaging, and Industry 4.0 technologies. Corning, established in 1851 as a glass manufacturer, became a key player in specialty materials, producing innovations like Pyrex, Gorilla Glass, and ultra-pure optical fibers essential for modern communications.