At Illingworth & Rodkin we strive to use our 30 years of experience in acoustical engineering and air quality management to provide our clients with world-class consulting services. Since our founding in 1987 Illingworth & Rodkin consultants have conducted over 4,500 proprietary studies in community noise, vibration, industrial noise, vibration control, architectural acoustics, and air quality. I&R has offices in California, Colorado and Washington.