Serving Customers for Over 100 Years In 1903, the Electric Railway Improvement COmpany (ERICO®) was created to supply power bonds, signal bonds and related welding equipment to railroads, mining and street railway in......Serving Customers for Over 100 Years In 1903, the Electric Railway Improvement COmpany (ERICO®) was created to supply power bonds, signal bonds and related welding equipment to railroads, mining and street railway industries. Today, ERICO® is a premier manufacturer of engineered products designed for diverse niche applications in the electrical, mechanical, commercial and industrial, rail and utility markets. Headquartered in Solon, Ohio, USA, ERICO has a sales network serving more than 25 countries, with manufacturing and distribution facilities worldwide. Our Brands CADDY® Fixings, Fasteners and Supports CADWELD® Exothermic Connections CRITEC® Surge Protection Devices ERICO® Rail and Industrial Products ERIFLEX® Low Voltage Power Distribution ERITECH® Lightning Protection and Grounding Products and LENTON® Concrete Products