Listed for: TestingMitigation
Licenses on file: see the profile
ProfessionalsBusiness profile
Greco and Haines, Inc.
Derby, Connecticut. Testing and mitigation
No license or certification is on file for this business yet.
Credentials
Licenses and certifications
No license or certification is on file for this business yet.
Licensing in Connecticut
Connecticut's radon program says the state does not license or certify radon professionals.
The State of Connecticut does not license or otherwise certify radon professionals, however, the Radon Program maintains lists of nationally certified professionals...
Radon Program
Department of Public Health
Its page covers free or discounted test kits and who may test and fix radon in the state.
Phone (860) 509-7300 · Email DPH.RadonReports@ct.gov
Visit the program's page (opens in a new tab)Read October 3, 2026
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