APG&E (AP Gas & Electric) is a privately-held energy provider founded in 2004 and headquartered in Houston, Texas. It offers electricity plans for residential customers and businesses across states such as Texas, Maryland, New York, New Jersey, Ohio, and Pennsylvania. APG&E focuses on affordability, simplicity, and transparency, providing competitive fixed-rate plans, renewable energy options, and self-service tools for easy account management.

Direct Energy is a major energy provider serving residential and business customers across the United States and Canada. As part of NRG Energy, the company offers electricity and natural gas plans, energy efficiency solutions, and home protection services. Direct Energy emphasizes customer convenience with tools for tracking usage, managing accounts online, and exploring renewable energy options.

Green Mountain Energy is the United States' longest-serving renewable energy retailer, founded in 1997. The company offers 100% clean energy solutions derived from wind and solar, helping customers reduce their carbon footprints while supporting a greener grid. Green Mountain Energy is also known for its commitment to sustainability through initiatives like its Sun Club, which has funded over $13 million in grants for projects promoting renewable energy, resource conservation, and environmental stewardship.

Reliant Energy, a subsidiary of NRG Energy, is a leading electricity provider serving residential and commercial customers across Texas. It offers flexible plans, including fixed-rate, variable-rate, and renewable energy options, along with tools for managing energy usage and enhancing efficiency. With a focus on innovation and customer satisfaction, Reliant also provides home protection services and solutions to support sustainability efforts. 

TXU Energy is a leading retail electricity provider based in Texas, known for offering innovative and flexible energy plans to residential and business customers. With a focus on energy efficiency and renewable solutions, the company provides products like solar-powered plans and services designed to protect homes and appliances. TXU Energy is headquartered in Irving, Texas, and has served Texans with dependable electricity solutions for decades.