Baltimore Gas and Electric | 22,158 followers on LinkedIn. BGE, headquartered in Baltimore, is Maryland’s largest gas and electric utility, delivering power to more than 1.3 million electric customers and more than 700,000 natural gas customers in Central Maryland. The company’s approximately 3,200 employees are committed to the safe and reliable delivery of gas and electricity, as well as enhanced energy management, conservation, environmental stewardship and community assistance. BGE is a subsidiary of Exelon Corporation (NYSE: EXC), the nation’s largest utility company, serving customers through six fully regulated utilities.