Harris Miller Miller & Hanson Inc. (HMMH) was founded in 1981 to provide the highest quality noise consulting services to airports. Today, HMMH is an international leader in environmental noise and vibration control, air quality analysis, clean energy practices, and airport and airspace planning. With four offices throughout the country, we serve government and private industry clients with a broad range of innovative and effective solutions.  For more information visit www.hmmh.com.