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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Haeg, Tim | St. Joseph, SD | — | Installer | — |
| Hales, Justin | Windsor, SD | — | Installer | — |
| Halonen, Ian | Meadow, SD | — | Installer | — |
| Halonen, Jacob P | Hermosa, SD | — | Installer | — |
| Hamak, Darrick | Keystone, SD | — | Installer | — |
| Hamm, Doug | Sisseton, SD | — | Installer | — |
| Hamm, Joey | Sisseton, SD | — | Installer | — |
| Hamman, Jess | Tea, SD | — | Installer | — |
| Hansen, Lee | Browns Valley, SD | — | Installer | — |
| Hanson, Bradley E | Faulkton, SD | — | Installer | — |
| Happe, Jason J | Hot Springs, SD | — | Installer | — |
| Harkin, Troy A | Sturgis, SD | — | Installer | — |
| Harmon, Richard | Newell, SD | — | Installer | — |
| Harmon, Thomas | Sioux Falls, SD | — | Installer | — |
| Harrison, Joseph | Custer, SD | — | Installer | — |
| Harter, Todd | Lead, SD | — | Installer | — |
| Hartshorn, Travis | Hermosa, SD | — | Installer | — |
| Hays, Ezra | Piedmont, SD | — | Installer | — |
| Hayworth, Michael | Belle Fourche, SD | — | Installer | — |
| Heidegger, Alex | Belle Fourche, SD | — | Installer | — |
| Heinert, Chad J | Hot Springs, SD | — | Installer | — |
| Hertz, Melissa | Rapid City, SD | — | Installer | — |
| Hespen, Matt C | Custer, SD | — | Installer | — |
| Hetherington, Will | Dell Rapids, SD | — | Installer | — |
| Hetley, Mark | Hill City, SD | — | Installer | — |
| Hilliard, Layton V | Bryant, SD | — | Installer | — |
| Hillmer, Boice Q | Pierre, SD | — | Installer | — |
| Hlucny, Cris | Whitewood, SD | — | Installer | — |
| Hochstein, Sam | Hartington, SD | — | Installer | — |
| Hodkinson, Keith J | Brandon, SD | — | Installer | — |
| Hofer, Ben | Aberdeen, SD | — | Installer | — |
| Hofer, Dwayne | Menno, SD | — | Installer | — |
| Holtquist, Robert | Milbank, SD | — | Installer | — |
| Horn, Tyler | Belle Fourche, SD | — | Installer | — |
| Howe, Charles E | Custer, SD | — | Installer | — |
| Howie, Darin R | Rapid City, SD | — | Installer | — |
| Hubers, Darwin | Platte, SD | — | Installer | — |
| Hughes, Ryan | Spearfish, SD | — | Installer | — |
| Huling, Rob | Lennox, SD | — | Installer | — |
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