Cross-Spectrum Acoustics Inc. Employee Directory

Environmental ServicesMassachusetts, United States11-50 Employees

Cross-Spectrum Acoustics Inc. is a mid-sized environmental services firm specializing in noise and vibration consulting and based in East Longmeadow, Massachusetts. The company holds DBE certification in more than 20 states and counts more than a century of combined staff experience in its field. Its expertise spans transit noise, freight and high-speed rail, highways, construction, architectural acoustics, industrial noise, and audio systems.

Projects range from preliminary assessments to environmental impact statements and final system design. CSA has provided noise and vibration consulting for transit projects across the United States, covering all major modes—including light rail, bus rapid transit, streetcar, heavy rail, commuter rail, intercity and high-speed rail, and freight. The firm emphasizes conveying complex noise concepts in accessible terms for affected communities while delivering technically rigorous analyses for public and private sector clients.

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