Dealer Bio

Since 1974, Shermco has provided electrical services to its customers nationwide. We are the largest independent electrical testing and maintenance service company in North America. As an independent service company, Shermco has always focused on doing what’s right for you, our customers.  We are proud to say that we are industry leaders in safety and safe work practices. Our people are highly trained and certified, which means we deliver safe, accurate, and thorough service every time.