Your Noise, Vibration and Acoustical Engineering Experts HGC Engineering is one of North America's largest acoustical engineering firms. We specialize exclusively in noise, vibration and acoustics. Since our establishment in 1994, we have quietly grown and acquired a worldwide reputation in the measurement, assessment and mitigation of noise and vibration problems. We have also developed an international expertise in the acoustical optimization of architectural spaces and products. Over the decades, we have worked with clients from a wide variety of industries and disciplines, in Canada and around the world, to develop responsive, cost-effective solutions based on our extensive acoustical experience and application engineering know-how. Major Specialties Environmental Noise Studies, Noise Assessments & Control, Vibration Analysis and Isolation, Wind Turbine Noise Measurements, Architectural & Room Acoustics, Sound Privacy, Noise & Vibration Investigations, Rail, Road & Subway Vibration Issues.