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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Rasmussen, Brad A | Chamberlain, SD | — | Installer | — |
| Rau, John | Spearfish, SD | — | Installer | — |
| Reis, Gary | Bath, SD | — | Installer | — |
| Rice, Dakota | Rapid City, SD | — | Installer | — |
| Richmond, Eugene L | Rapid City, SD | — | Installer | — |
| Ringling, Dalton | Platte, SD | — | Installer | — |
| Ritter, Chris | Sioux Falls, SD | — | Installer | — |
| Ritter, Nick | Sioux Falls, SD | — | Installer | — |
| Robertson, Joel | Spearfish, SD | — | Installer | — |
| Rooke, Mackenzie | Sturgis, SD | — | Installer | — |
| Rosane, Laura | Custer, SD | — | Installer | — |
| Ross, Jeremy | Mills, SD | — | Installer | — |
| Ryan, Mike | Rapid City, SD | — | Installer | — |
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