IRVING, Texas–(BUSINESS WIRE)–Shermco Industries, a leading provider of electrical testing, engineering, maintenance, and reliability services, has officially opened its new corporate headquarters in Irving, TX, with a ribbon-cutting ceremony held today. The new facility represents a strategic investment in Shermco’s continued growth, operational scalability, and long-term commitment to supporting critical power infrastructure across North America. Shermco employs over 300 employees in the Da