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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| D.O. Fussell Contracting Inc. | Franklinton, LA | — | Installer (Basic)Installer (Combination) | 85 |
| D&A Plumbing LLC | Harvey, LA | — | Installer (Basic)Installer (Combination) | 31216 |
| D&D Pro Services LLC | Sunset, LA | — | Installer (Basic)Installer (Combination) | 31363 |
| D&D Pro Services LLC | Sunset, LA | — | Installer (Basic)Installer (Combination) | 32262 |
| D&M Septic Tanks | Breaux Bridge, LA | — | Installer (Basic)Installer (Combination) | 30495 |
| D&M Septic Tanks | Breaux Bridge, LA | — | Installer (Basic)Installer (Combination) | 30958 |
| DaD's Unlimited Service, LLC | Kentwood, LA | — | Installer (Basic)Installer (Combination) | 31247 |
| Dade's Dirty Work LLC | Calhoun, LA | — | Installer (Basic)Installer (Combination) | 32287 |
| Daigle Mechanical | Lake Charles, LA | — | Installer (Basic)Installer (Combination) | 32243 |
| Dale Theriot & Sewer Systems, LLC | Pierre Part, LA | — | Installer (Basic)Installer (Combination) | 30346 |
| Damon's Air Conditioning & Heating LLC | New Orleans, LA | — | Installer (Basic) | 40103 |
| Dan Lord Plumbing LLC | Simsboro, LA | — | Installer (Basic)Installer (Combination) | 30378 |
| Daniel Lemoine | Ponchatoula, LA | — | Installer (Basic)Installer (Combination) | 30504 |
| Daniel's Construction | Church Point, LA | — | Installer (Basic)Installer (Combination) | 183 |
| David's Sewer and Drain | Winnsboro, LA | — | Installer (Basic)Installer (Combination) | 30529 |
| Dig It LLC | Delcambre, LA | — | Installer (Basic)Installer (Combination) | 30519 |
| Dirt X-Pert LLC | Greensburg, LA | — | Installer (Basic)Installer (Combination) | 32454 |
| Domino's AC, Heating, and Plumbing Inc. | Gretna, LA | — | Installer (Basic)Installer (Combination) | 30548 |
| Donald Gholar Construction | Angie, LA | — | Installer (Basic)Installer (Combination) | 32003 |
| Drainbusters Plumbing & Drain Services | Shreveport, LA | — | Installer (Basic)Installer (Combination) | 32241 |
| DrainCo Sewer Service | Springfield, LA | — | Installer (Maintenance) | 32456 |
| Dupre Sewer | Glenmora, LA | — | Installer (Basic)Installer (Combination) | 31129 |
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