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Verify any contractor against official state-board records.
25 results in DE · more available
| Business | State | License # | Type | Status | Expires |
|---|---|---|---|---|---|
| Country Living Mobile Court Inc Millsboro | DE | 4405F | Class F (Liquid Waste) | Approved | 2026-12-31 |
| Country Living Mobile Court Inc Millsboro | DE | 4405H | Class H (Systems Inspector) | Approved | 2026-12-31 |
| Mark North Builders, LLC Middletown | DE | 4433E3 | Class E (System Contractor) | Approved | — |
| Bo's Construction Laurel | DE | 4438E4 | Class E (System Contractor) | Approved | 2026-12-31 |
| Dolby And Associates Inc Seaford | DE | 4444B | Class B (Standard-Designer) | Approved | 2026-12-31 |
| Dolby And Associates Inc Seaford | DE | 4444H | Class H (Systems Inspector) | Approved | 2026-12-31 |
| Dolby And Associates Inc Seaford | DE | 4444I | Class I (Construction Inspector) | Approved | 2026-12-31 |
| Accent Environmental, LLC Millsboro | DE | 4455D3 | Class D (Site Evaluator) | Approved | 2026-12-31 |
| W F Construction Incorporated Newark | DE | 4462E3 | Class E (System Contractor) | Approved | 2026-12-31 |
| Cotten Engineering LLC Seaford | DE | 4483C | Class C (Engineered-Designer) | Approved | 2026-12-31 |
| TJG-Soils Seaford | DE | 4499D3 | Class D (Site Evaluator) | Approved | 2026-12-31 |
| Gerardi Septic Service, LLC Harrington | DE | 4504E4 | Class E (System Contractor) | Approved | 2026-12-31 |
| Gerardi Septic Service, LLC Harrington | DE | 4504H | Class H (Systems Inspector) | Approved | 2026-12-31 |
| K4 Management Dover | DE | 4510E3 | Class E (System Contractor) | Approved | 2026-12-31 |
| Robert Nelson Georgetown | DE | 4550E3 | Class E (System Contractor) | Approved | 2026-12-31 |
| Robert Nelson Georgetown | DE | 4550H | Class H (Systems Inspector) | Approved | 2026-12-31 |
| Landmark Engineering, Inc Newark | DE | 4568B | Class B (Standard-Designer) | Approved | 2026-12-31 |
| Landmark Engineering, Inc Newark | DE | 4568C | Class C (Engineered-Designer) | Approved | 2026-12-31 |
| Clean Delaware Milton | DE | 4570B | Class B (Standard-Designer) | Approved | 2026-12-31 |
| Clean Delaware Milton | DE | 4570E3 | Class E (System Contractor) | Approved | 2026-12-31 |
| Clean Delaware Milton | DE | 4570F | Class F (Liquid Waste) | Approved | 2026-12-31 |
| Clean Delaware Milton | DE | 4570H | Class H (Systems Inspector) | Approved | 2026-12-31 |
| Clean Delaware Milton | DE | 4570I | Class I (Construction Inspector) | Approved | 2026-12-31 |
| White Marsh Environmental Systems Inc Dover | DE | 4573E3 | Class E (System Contractor) | Approved | — |
| Clean Delaware Milton | DE | 4579E3 | Class E (System Contractor) | Approved | 2026-12-31 |