We are hiring a full-time summer intern for our New York City office. Find out about the opportunity here

Congratulations to Ani Toncheva for her recent promotion to Senior Consultant!
Since joining the firm in 2011, she has conducted analyses for transit systems, vibration sensitive research facilities, public infrastructure, and construction.

We are Small Business Enterprise (SBE) certified by both BART and LA Metro. Our 24-person firm has specialized in rail transit noise and vibration control since 1966. Our services have contributed to hundreds of successful projects over the decades, and now we’re pleased that we can also help primes meet their SBE goals.

Our Core Values

  • Provide responsive and reliable consulting services

  • Create and maintain a supportive environment that fosters quality work, learning, and the free exchange of ideas

  • Treat our clients and staff with dignity, fairness, and respect

  • Innovate and share our technical knowledge with our industry and professional colleagues to advance the study and application of acoustical engineering