Eversource Energy, a utility services company, is set to acquire Columbia Gas of Massachusetts from NiSource, one of the largest fully regulated utility companies in the United States, for $1.1bn. "We are focused on providing safe and reliable service to our customers while at the same time nurturing a diverse and engaged workplace for employees and working to protect the environment. We look forward to bringing that commitment to all of our new customers and employees," Jim Judge, Eversource Chairman, President and CEO.