Browse certified tank firms by state
Each state page is built from that state's publicly published certification or service-provider list. Counts below are unique firms after ingest.
| State / district | Code | Firms listed |
|---|---|---|
| Connecticut | CT | 51 |
| District of Columbia | DC | 26 |
| Florida | FL | 1204 |
| Maryland | MD | 104 |
| North Carolina | NC | 25 |
| Oklahoma | OK | 52 |
| South Carolina | SC | 138 |
| Washington | WA | 208 |
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Directory disclosure: Oil Tank Directory is a public certification lookup and comparison site. We are not a contractor, and we do not perform tank removal, testing, or cleanup. We list firms that appear on publicly published state certification or service-provider lists. Always verify a firm's current license or certification with the issuing state agency before hiring.