J.N. Giammarino Construction Inc.

About

J.N. Giammarino Construction Inc. is a specialty geotechnical contractor established in 1971 and headquartered in Binghamton, New York. We serve projects throughout the Northeast United States. Our capabilities include the installation of micropiles, soldier pile and lagging walls, secant pile walls, drilled caissons, soil nail walls, sheet piling systems, and other deep foundation components. We also perform static load testing for micropiles, soil nails, and ground anchors to verify performance and ensure structural reliability. J.N. Giammarino Construction works closely with engineers, general contractors, and project owners to develop practical solutions for challenging site conditions. Our commitment to quality workmanship, safety, and schedule performance has established long-standing partnerships across infrastructure, healthcare, commercial, and industrial sectors. As a family-owned company, we combine decades of field experience with modern equipment and engineering support to deliver dependable results on every project.