Since 1977 Sterling has been building custom electrical and electro-mechanical solutions for thousands of on-road and off-road vehicles. Whether you bring your own designs or need a partner to create custom solutions from scratch, Sterling combines precision engineering with advanced manufacturing to meet your exact needs. We focus on what matters most: cost, time and quality. As a Tier 1 and Tier 2 supplier to the Heavy Equipment and Automotive industries Sterling operates at the highest level, ISO 9001 certified and IATF 16949 compliant. Our quality management system ensures every project is managed by an expert from concept to delivery.