| Company | City | Service Type | Products |
| Advanced Distributed Generation | Toledo | Residential, | Solar Electric (pv), |
| Affordable Solar Energy | Loveland | Commercial, | Solar Electric (pv), |
| Appalachian Renewable Power Systems ltd. | Stewart | Residential, | Solar Electric (pv), |
| Blue Chip Solar & Wind | Cincinnati | Residential, | Solar Electric (pv), |
| Bold Alternatives | Shaker Heights | Residential, | Solar Electric (pv), |
| Castle Energy | Cleveland | Residential, ,Commercial, ,Municipal, | Solar Electric (pv), Wind Power, |
| Dovetail Solar and Wind | Athens | Residential, | Solar Electric (pv), |
| PowerSource Energy Management | Mason | Residential, ,Commercial, ,Utilities, ,Municipal, | Solar Electric (pv), Solar Hot Water (thermal), Wind Power, |
| REpower SOLUTIONS | Cleveland | Residential, ,Commercial, | Solar Electric (pv), Wind Power, |
| Rucker Solar Power H | Cincinnati | Residential, ,Commercial, | Solar Electric (pv), |
| Socore Energy – Maumee | Maumee? | Residential, | Solar Electric (pv), |
| Solar Energy Solutions, LLC – Cincinnati | Cincinnati | Residential, | Solar Electric (pv), |
| Solaris Blackstone Energy | Kent | Residential, | Solar Electric (pv), |
| SunRock Solar | Cincinnati | Residential, | Solar Electric (pv), |
| Third Sun Solar | Athens | Residential, Commercial, Utilities, Municipal, , Solar Electric (pv), | Solar Electric (pv), |
| Third Sun Solar and Wind Power | Athens | Residential, | Solar Electric (pv), |
| YellowLite | Independence | Residential, ,Commercial, | Solar Electric (pv), |
