Rossfelder Corporation

Rossfelder Corporation provides offshore geotechnical research equipment, specializing in vibrocoring systems for sediment sampling. Its flagship P-3 is a submersible vibrocorer designed to collect sediment cores for laboratory analysis, including chemical and biological studies. The company describes the system as supporting relatively undisturbed sampling and horizontal core splitting, with a 10-foot, 4-inch-diameter core tube lined with HDPE.