| Company | City | Service Type | Products |
| Almost Free Energy | Richardson | Residential, | Solar Electric (pv), |
| Alternative Power Solutions | Houston | Residential, | Solar Electric (pv), |
| Alternative Power Solutions LLC | Houston | Commercial, | Solar Electric (pv), |
| Amazing Solar Solutions | Dallas | Residential, | Solar Electric (pv), |
| Ambassador Energy of Dallas | Dallas | Residential, | Solar Electric (pv), |
| Astralux | Dallas | Residential, | Solar Electric (pv), |
| Axium Solar | Carrollton | Residential, ,Commercial, ,Utilities, ,Municipal, | Solar Electric (pv), |
| CAM Solar | San Antonio | Residential, | Solar Electric (pv), |
| Celestial Power | Austin | Residential, | Solar Electric (pv), |
| Circular Energy | Austin | Residential, Commercial, | Solar Electric (pv), |
| Clean Energy Systems | Richardson | Residential, | Solar Electric (pv), |
| crSolar | Round Rock | Residential, | Solar Electric (pv), |
| DFW Solar Electric | Flower Mound | Residential, Commercial, | Solar Electric (pv), |
| Diez Energy Solutions | Highlandvillage | Residential, | Solar Electric (pv), |
| Dubco Solar HOT | Denton | Residential, ,Commercial, ,Municipal, | Solar Electric (pv), |
| EcoVantage Energy. | Weatherford | Residential, | Solar Electric (pv), |
| Generation Green | Dallas | Residential, | Solar Electric (pv), |
| Green City Austin | Austin | Residential, | Solar Electric (pv), |
| Green Ox Energy Solutions | Dallas | Residential, | Solar Electric (pv), |
| Green Ox Energy Systems | Dallas | Residential, | Solar Electric (pv), |
| Greenbelt Solar LLC | Austin | Commercial, | Solar Electric (pv), |
| Greeniverse | Crossroads | Residential, | Solar Electric (pv), |
| I-Group Renewable Incorporated – New Braunfels | New Braunfels | Residential, | Solar Electric (pv), |
| Innotech Engineering Inc | The Woodlands | Residential, ,Commercial, | Solar Electric (pv), |
| Intero Energy | Austin | Residential, | Solar Electric (pv), |
| Joshua Energy Systems | Stephenville | Residential, | Solar Electric (pv), |
| Kesters Inverters | Abilene | Residential, | Solar Electric (pv), |
| Lambent Energy | Austin | Residential, | Solar Electric (pv), |
| Lighthouse Solar – Austin | Austin | Residential, | Solar Electric (pv), |
| Meridian Energy Systems | Austin | Residential, | Solar Electric (pv), |
| Miramar Consulting | Dallas | Residential, | Solar Electric (pv), |
| North Texas Renewable Energy. | Fort Worth | Residential, | Solar Electric (pv), |
| PetersenDean Roofing & Solar Energy | Austin | Residential, | Solar Electric (pv), |
| Pioneer Green Energy | Austin | Residential, | Solar Electric (pv), |
| Smart World Energy | San Antonio | Residential, | Solar Electric (pv), |
| Smart World Energy | San Antonio | Solar Electric (pv), | |
| Smartworld Energy | San Antonio | Residential, | Solar Electric (pv), |
| Solar Community | Austin | Residential, | Solar Electric (pv), |
| Solar Design and Constructio | Huffman | Residential, | Solar Electric (pv), |
| SOLAR SMART LLC | LONGWOOD | Residential, | Solar Electric (pv), Solar Hot Water (thermal), |
| SolarCity – Dallas | Dallas | Residential, ,Commercial, | Solar Electric (pv), |
| SolarCity – El Paso | El Paso | Residential, | Solar Electric (pv), |
| Solartek Energy | Manchaca | Residential, | Solar Electric (pv), |
| South Texas Solar Systems | Laredo | Residential, | Solar Electric (pv), |
| SRE Standard Renewable Energy – Houston | Houston | Residential, ,Commercial, | Solar Electric (pv), |
| SRE Standard Renewable Energy – San Antonio | San Antonio | Residential, | Solar Electric (pv), |
| Statewide Remodeling | Grand Prairie | Residential, | Solar Electric (pv), |
| Straight Up Energy | Waxahachie | Residential, | Solar Electric (pv), |
| Sunbelt Solar. | Austin | Residential, | Solar Electric (pv), |
| Sunrise Solar | Austin | Residential, | Solar Hot Water (thermal) |
| Texas Solar Power Company | Austin | Residential, | Solar Electric (pv), |
| US SOLAR ROOF | Denison | Residential, ,Commercial, ,Utilities, ,Municipal, | Solar Electric (pv), Solar Hot Water (thermal), |
| Wimberley Wind and Solar | Wimberly | Residential, Commercial, | Solar Hot Water (thermal) Wind Power, |
| World Solar Technology | Killeen | Residential, | Solar Electric (pv), |
| World Sun Technology | Killeen | Residential, | Solar Electric (pv), |
