Since joining the firm in 1992, Derek Watry has gained experienced in many areas of our practice including rail/transit, environmental, construction, forensic, and industrial; and has served as an expert witness in legal matters. In addition to his project work and legal cases, as company President, he is an integral part of firm operations and business development.

We’re always looking for great talent in any of our four offices: San Francisco Bay Area, Los Angeles, Seattle or New York City. Find out more here

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