Certified radon testers & mitigatorsPennsylvania — testing — verified 29 Aug 2026

§ 4.1 — Centre County, PA

Certified radon testing in Centre County, PA

5 current listings from the official file. Verify the credential number before you hire.

Last verified August 29, 2026. Methodology PA DEP.

Certified radon testingCertified radon mitigation

  1. McKee Environmental, Inc.

    current PA DEP № 3710

    testing

    (814) 380-7126August 29, 2026cite ↗

  2. McKee, Douglas

    current PA DEP № 3484

    mitigation, testing

    (814) 380-7126August 29, 2026cite ↗

  3. McKee, Jillian

    McKee Environmenat

    current PA DEP № 9103

    testing

    (814) 380-7126August 29, 2026cite ↗

  4. Oak Leaf Environmental

    current PA DEP № 3727

    mitigation, testing

    (814) 876-2228August 29, 2026cite ↗

  5. Wilkins, Thomas

    Oak Leaf Environm

    current PA DEP № 3726

    mitigation, testing

    (814) 876-2228August 29, 2026cite ↗
Fig. 4 — Centre County, PA, approximate. Pin is the county on the official file, not a street address.

Appendix A — Before you hire

  1. Who holds the credential, and can they show the same number that appears on this page?
  2. What test method or mitigation system will they use for this building?
  3. How will they document results or the finished system?

§ 4.3

Nearby places in Pennsylvania

Pennsylvania DEP certifies individuals and firms that test or mitigate radon. The people below appear as currently certified on the DEP Radon Services Directory we imported. Read the methodology. Credential status can change.