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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Hai Lam | Danvers, MA | — | Designer | 14081 |
| Hannah Schur | Boston, MA | — | Designer | 14780 |
| Harold T. Lincoln, Jr. | — | — | Inspector | 4162 |
| Harry Kampersal | — | — | Inspector | 118 |
| Hayden Hjelm | — | — | Inspector | 14985 |
| Hayden Saviano | — | — | Inspector | 14994 |
| Hazem Dani | Avon, MA | — | Designer | 13902 |
| Heather Gallant | — | — | Inspector | 4396 |
| Heather Gallant | Sandwich, MA | — | Designer | 2762 |
| Heather Holbrook | Orleans, MA | — | Designer | 15106 |
| Heather Nardone | — | — | Inspector | 14943 |
| Heather Travis | — | — | Inspector | 14305 |
| Heidi Porter | Beverly, MA | — | DesignerInspector | 12891 |
| Henry Oberlander | — | — | Inspector | 15119 |
| Hersha Prasad | Boston, MA | — | Designer | 14827 |
| Hillary Greenberg | Dennis, MA | — | Inspector | 4665 |
| Hillary Greenberg | South Dennis, MA | — | Designer | 2883 |
| Holly Ganser | Dedham, MA | — | Designer | 15188 |
| Holly Shaw | — | — | Inspector | 4404 |
| Hunter Laurin | — | — | Inspector | 14733 |
| Hunter Tranter | Barrington, MA | — | DesignerInspector | 14945 |
| Hunter Twombly | Brewster, MA | — | Designer | 15113 |
| Hussein Alhady | Watertown, MA | — | Designer | 15022 |
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