Frank H. Lehr Associates Consulting Civil Engineers 101 South Harrison Street East Orange, NJ 07018 Tele: 973/673-2520 ADMIN Frank H. Lehr Associates was founded in 1957 as a diversified civil engineering group specializing in site investigation and design, geotechnical inspection and analysis, foundation design, structural design, and construction inspection and testing. Since that time, more ...

Ostergaard Acoustical Associates provides consulting services in architectural acoustics, community noise, industrial noise control as well as audiovisual and masking system design. We also provide scientific counsel to attorneys in support of litigation.