| Company | City | Service Type | Products |
| Accutek Solar HOT | Clinton | Residential, ,Commercial, | Solar Electric (pv), Solar Hot Water (thermal), |
| Green Sign Co., Inc. | Greensburg | Residential, | Solar Electric (pv), |
| Greenworks Energy | Yorktown | Residential, | Solar Electric (pv), |
| Home Energy LLC | Middlebury | Residential, | Solar Electric (pv), |
| Midwest Wind and Solar | Merrillville | Residential, Commercial, | Solar Electric (pv), |
| Morton Solar and Wind | Evansville | Residential, ,Commercial, | Solar Electric (pv), |
| Phoenix Mechanical | Garrett | Residential, | Solar Electric (pv), |
| Solar Energy Solutions | Evansville | Residential, ,Commercial, ,Utilities, ,Municipal, | Solar Electric (pv), Solar Hot Water (thermal), Solar Pool Heating, Wind Power, |
| SunWind Power Systems | Floyds Knobs | Residential, | Solar Electric (pv), |
| Sunwired | Munster | Residential, | Solar Electric (pv), |
| Whole Sun Designs Inc. | Wadesville | Residential, | Solar Electric (pv), |
