http://www.PA-Radon.com - Air Quality Mitigation 412-261-1975 - They offer the following services: radon mitigation, testing, and remediation. They specialize in radon gas abatement, measurement, reduction, and removal. They are one of the Nation's largest radon companies and install high-quality, affordable radonmitigation systems. Radon mitigation, testing, and remediation services for the following Pennsylvania cities: Pittsburgh, Butler, Allison Park, Sewickley, Monroeville, Cranberry Twp Township, Greensburg, Bethel Park, Gibsonia, Wexford, Coraopolis, Irwin, McKeesport, Bridgeville, Mars, Aliquippa, Glenshaw, Export, Beaver Falls, Elizabeth, Ligonier, and other PA towns. Radon abatement / removal systems for these counties: Allegheny, Butler, Westmoreland, Washington, Beaver, Armstrong, Indiana, Cambria, Somerset, Fayette, Greene, Bedford, Clarion, Jefferson, Lawrence County, and surrounding Pennsylvania areas.