Spark Energy, Inc. is an established and growing independent retail energy services company founded in 1999 that provides res ... idential and commercial customers in competitive markets across the United States with an alternative choice for their natural gas and electricity. Headquartered in Houston, Texas, Spark currently operates in 16 states and serves 46 utility territories. Spark offers its customers a variety of product and service choices, including stable and predictable energy costs and green product alternatives. read more