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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| J McDaniel Farm LLC | Downsville, LA | — | Installer (Basic) | 40120 |
| J&A Sewer System LLC | Jena, LA | — | Installer (Basic)Installer (Combination) | 31917 |
| J&A Sewer System LLC | Jena, LA | — | Installer (Basic)Installer (Combination) | 31944 |
| J&A Sewer System LLC | Jena, LA | — | Installer (Basic)Installer (Combination) | 40056 |
| J&J Septic LLC | Bossier City, LA | — | Installer (Basic)Installer (Combination) | 32293 |
| Jae's Plumbing & Construction LLC | New Orleans, LA | — | Installer (Basic) | 40109 |
| Jake's Plumbing & Septic Systems, LLC | Saline, LA | — | Installer (Basic)Installer (Combination) | 32227 |
| JDW Construction | Shreveport, LA | — | Installer (Basic)Installer (Combination)Installer (Maintenance) | 32260 |
| JDW Construction | Shreveport, LA | — | Installer (Basic)Installer (Combination)Installer (Maintenance) | 40099 |
| JDW Construction | Shreveport, LA | — | Installer (Basic)Installer (Combination)Installer (Maintenance) | 642 |
| Jet Aeration of Texas LLX | Vidor, LA | — | Installer (Basic)Installer (Combination) | 32285 |
| Jetspray Wastewater | Bossier City, LA | — | Installer (Basic)Installer (Combination) | 30534 |
| Jetspray Wastewater | Bossier City, LA | — | Installer (Basic)Installer (Combination) | 31579 |
| Joe's Septic Contractors | Cut Off, LA | — | Installer (Basic)Installer (Combination) | 31211 |
| Joe's Septic Contractors | Cut Off, LA | — | Installer (Basic)Installer (Combination) | 32184 |
| Joe's Septic Contractors | Cut Off, LA | — | Installer (Basic)Installer (Combination) | 32383 |
| Joe's Septic Contractors | Cut Off, LA | — | Installer (Basic)Installer (Combination) | 32385 |
| Joe's Septic Contractors | Cut Off, LA | — | Installer (Basic)Installer (Combination) | 480 |
| Joey Thibodeaux's Drain Cleaning and Plumbing | Belle Rose, LA | — | Installer (Basic)Installer (Combination)Installer (Maintenance) | 32239 |
| Joey Thibodeaux's Drain Cleaning and Plumbing | Belle Rose, LA | — | Installer (Basic)Installer (Combination)Installer (Maintenance) | 40092 |
| John M. Giglio Plumbing & Contracting LLC | Shreveport, LA | — | Installer (Basic)Installer (Combination) | 481 |
| John Shuler Contractor | Boyce, LA | — | Installer (Basic)Installer (Combination) | 14 |
| John Thompson | St. Francisville, LA | — | Installer (Basic)Installer (Combination) | 556 |
| Johnny M. White Plumbing | Winnfield, LA | — | Installer (Basic)Installer (Combination) | 32331 |
| Johnson Precast Septic Service, Inc. | Choudrant, LA | — | Installer (Basic)Installer (Combination) | 1152 |
| Johnson Precast Septic Service, Inc. | Choudrant, LA | — | Installer (Basic)Installer (Combination) | 485 |
| Jones Septic Systems | Provencal, LA | — | Installer (Basic)Installer (Combination) | 30990 |
| JR Miller Construction LLC | Downsville, LA | — | Installer (Basic)Installer (Combination) | 32478 |
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