| Company | City | Service Type | Products |
| Altenergy Incorporated | Boise | Residential, ,Commercial, | Solar Electric (pv), Solar Hot Water (thermal), |
| Aurora Power & Design | Boise | Residential, | Solar Electric (pv), |
| ECI Wind and Solar | Fairmont | Residential, | Solar Electric (pv), |
| Home and Mobile Energy | Middlebury | Residential, | Solar Electric (pv), |
| Idaho Solar Design & Consulting | Boise | Residential, | Solar Electric (pv), |
| Illiana Power Corporation | Terre Haute | Residential, | Solar Electric (pv), |
| Infinergy Wind & Solar Inc-Rigby | Rigby | Residential, | Solar Electric (pv), |
| Inovateus Solar | South Bend | Residential, | Solar Electric (pv), |
| Mann Solar Energy Systems | Bloomington | Residential, | Solar Electric (pv), |
| Morton Energy | Evansville | Residential, | Solar Electric (pv), |
| Renewable Energy Resources | Boise | Residential, | Solar Electric (pv), |
| Solar Systems of Indiana | Bloomington | Residential, | Solar Electric (pv), |
| Solar Wind Energy Corp. | Kendallville | Residential, | Solar Electric (pv), |
| SolarCascade | Boise | Residential, | Solar Electric (pv), |
| Sun Valley Solar | Ketchum | Residential, | Solar Electric (pv), |
| Sun Wind Power Systems | Floyds Knobs | Residential, | Solar Electric (pv), |
| The Solar Stone | Coeur D Alene | Residential, | Solar Electric (pv), |
