Indoor Science is the United States premier Indoor Environmental Quality (IEQ) consulting firm. Our services include proactive and reactive testing of chemical, biological and particle risk factors. We provide clients with data, recommendations for corrective actions and a roadmap for implementation to ensure safety and wellbeing. Since 2004 we have served over 15,000 clients including some of the largest multi-national organizations and government entities from our 62 company owned offices. Our Chicago-based team of subject matter experts including Certified Industrial Hygienists, Professional Engineers, and Certified Safety Professionals ensure projects adhere to regulatory guidelines and industry best practices.