GroundRosterViro Systems, Inc.Licensed
| Name | Viro Systems, Inc. |
| Company | Jeffrey L. Postlethwait |
| License number | 54-96-A-0002 |
| License type | Class II Sewage System Installer |
| License status | Active — WV certified installer, contractor license WV032140 |
| License expires | 2031-07-02 |
| Based in | Fairmont, West Virginia 26554 |
| Phone | (304) 366-5885 |
"Based in" is the city on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.
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What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish the license details exactly as they appear in West Virginia's official licensing records; we do not vouch for the business itself. Before hiring, look up license #54-96-A-0002 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: West Virginia Bureau for Public Health - Certified On-Site Sewage System Installers, last checked 2026-08-17. Verify at the official source.
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