Lewis S. Goodfriend & Associates is a diversified acoustical engineering and consulting firm offering professional services for the acoustical design of interior spaces, evaluation and control of interior and exterior noise from mechanical equipment, noise impact assessments for major commercial, industrial, and power generation facilities, OSHA noise exposure studies, and sound and impact isolation design and testing. We also have experience in providing expert witness testimony at legal proceedings and before municipal boards. Our qualifications include:

Acoustical Engineering since 1953

Licensed Professional Engineers

INCE Board Certified Personnel

NYCDEP Approved Noise Experts

Rutgers Community Noise Enforcement Certification

National Council of Acoustical Consultants Member Firm

Registered New Jersey Small Business Enterprise

1953 | Founded Lewis S. Goodfriend & Associates

1962 | Founded Cedar Knolls Acoustical Laboratory

1972 | Reorganized to Current Firm

1995 | Whippany, NJ Headquarters Relocation

2002 | Matthew Murello Becomes Owner and President

2011 | Satellite NYC Office

2017 | Chester, NJ Headquarters Relocation

LSG&A has 70 years of experience in the field of acoustics. We have licensed Professional Engineers and INCE Board Certified members on staff. Staff members are also approved as noise experts under the NYCDEP noise code and have Rutgers Community Noise Enforcement Certification.

Matthew T. Murello, P.E. | President

Jack A. Zybura, P.E., INCE Bd. Cert. | Assoc. Principal

Michael J. Dick, INCE Bd. Cert. | Project Manager

C.J. Smith | Staff Engineer

Jennifer Korn | Office Manager