| Company | Location | Certifications | License # |
|---|---|---|---|
| Lucas Shew Dba Shew'S Septic & Sewer | — | Septage Hauler | — |
| Wabash Valley Septic And Drain Inc. Dba Wabash Valley Septic & Drain | — | Septage Hauler | — |
2 companies in the Indiana IDEM approved septage management facilities are based in Sullivan County as of 2026-07-23. Companies based elsewhere in Indiana also commonly serve the county.
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