The right tool for the right problem. At Grumman Exploration, we provide non-destructive subsurface exploration and testing services to engineers, environmental scientists, geologists, project managers, archaelogists and developers. What are you looking for? No matter what the answer, we have what i...

Get in touch today. We are located in Columbus, Ohio but travel throughout the United States to perform geophysical testing. Grumman Exploration, Inc. 2309 Dorset Road Columbus, OH 43221 614.488.7860 phone 614.488.8945 fax ATTN: Dave Grumman ...