Londonderry, NH – Geotechnical Engineering & Construction Materials Testing

Our Londonderry office is positioned to meet the needs of clients’ projects in the Manchester–Nashua region and surrounding communities, including Manchester, Nashua, Londonderry, Derry, Salem, Merrimack, Bedford, and Hudson. We also support projects north and west through Concord and Keene, as well as along the I‑93 corridor up toward Plymouth. In Massachusetts, our service area extends into the Merrimack Valley, including Lowell, Lawrence, Haverhill, Andover, and Methuen. We provide Construction Materials Testing (laboratory and field), Special Inspections services, and Geotechnical Engineering for projects throughout New Hampshire and New England.