# radon detection and reduction specialists in the United States 2 radon detection and reduction specialists in the United States, ranked by the strength of independent public evidence (reviews, verified credentials and registry data cross-checked across named sources — no ads, no paid placement). Below are the top 2 by evidence. | Trader | Location | Rating | Reviews | Named sources | | --- | --- | --- | --- | --- | | [Inspect It Chicago](https://us.mytrustedtraders.com/traders/inspect-it-chicago) | Wayne | 5.0/5 | 403 | Porch | | [Optima Home Inspections](https://us.mytrustedtraders.com/traders/optima-home-inspections) | Poughkeepsie | 4.8/5 | 85 | Porch | Each trader's full public-evidence record is at its profile URL (append `/md` for a Markdown version). Narrow by area at `https://us.mytrustedtraders.com/find/radon-detection-and-reduction-specialists/`. --- Source: MyTrustedTraders — https://us.mytrustedtraders.com/find/radon-detection-and-reduction-specialists Real public evidence only: every figure traces to a named source and is cross-checked. If a source does not carry a field, it is not shown.