08

09

Based in North Carolina , Duke Energy is the largest electric power holding company in the United States , supplying and delivering energy to roughly 7.3 million customers . As the first utility company to make this our list , the company has made a massive name for itself via social media . See for yourself--it has 94k likes on Facebook , 88k followers on LinkedIn and 51k on Twitter .

As one of the biggest utility providers in northern and central California , Pacific Gas and Electric company has created an equally large presence on social media . The company is actively involved on Facebook , Twitter and LinkedIn , and strives to use the sites to keep customers up to date on the latest news and services .