Shermco is a safe provider of comprehensive technical services for electrical power systems and equipment. As the largest independent provider of electrical testing, maintenance, repair, commissioning, engineering and training services in North America, Shermco serves all industry sectors from our 38 offices throughout the U.S. and Canada. From federal energy compliance and substations testing to power system studies and substation design and commissioning, we are fully prepared to safely address any critical power needs. If it’s in the electrical system, Shermco does it.