| Company | Location | Certifications | License # |
|---|---|---|---|
| A & L Septic Tank Products Inc. | Orlando, FL | Installer (Business Authorization) | SA0900532 |
| A-1 Septic Service | Orlando, FL | Installer (Business Authorization) | SA0111737 |
| Above All Environmental Inc. | Orlando, FL | Installer (Business Authorization) | SA0151911 |
| All Florida Fujiclean Services | Apopka, FL | Installer (Business Authorization) | SA0252234 |
| Ark Septic Inc | Windermere, FL | Installer (Business Authorization) | SA0181998 |
| Buhot Inc. D/B/A Green'S Environmental Services | Winter Park, FL | Installer (Business Authorization) | SA0990912 |
| Clear Flow Environmental Llc | Orlando, FL | Installer (Business Authorization) | SA0151912 |
| Dale'S On-Site Wastewater Solutions Llc | Orlando, FL | Installer (Business Authorization) | SA0252281 |
| Drainage Solutions Inc. Dba Drainfield Doctor | Orlando, FL | Installer (Business Authorization) | SA0101713 |
| Glenn Tatum Septic Service Inc. | Apopka, FL | Installer (Business Authorization) | SA0031139 |
| Harrison Septic Systems Inc. | Clermont, FL | Installer (Business Authorization) | SA0011036 |
| Johnson'S Septic Service Inc. | Orlando, FL | Installer (Business Authorization) | SA0091644 |
| Lapin Septic Tank Service Inc. Dba Lapin Services | Orlando, FL | Installer (Business Authorization) | SA0900526 |
| Mathis & Sons Septic Llc | Orlando, FL | Installer (Business Authorization) | SA0141851 |
| Safari Septic And Home Services Llc | Orlando, FL | Installer (Business Authorization) | SA0081545 |
| Septic Dominators Llc | Orlando, FL | Installer (Business Authorization) | SA0171965 |
| Shelley'S Septic Tank Inc. | Zellwood, FL | Installer (Business Authorization) | SA0890157 |
| Total Enviro Services Inc. Dba Total Septic Services | Orlando, FL | Installer (Business Authorization) | SA0111725 |
| Wind River Environmental Llc D.B.A. Brownie'S Septic And Plumbing | Orlando, FL | Installer (Business Authorization) | SA0232202 |
19 companies in the Florida DEP septic tank contractor registrations & business authorizations are based in Orange County as of 2026-07-23. Companies based elsewhere in Florida also commonly serve the county.
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