Tunnels and underground networks, water and waste-water systems, grading and paving, mining, pipeline development, and mass excavation projects.

Lahm Construction Group provides building services to clients who value diligence, resourcefulness and creativity in a partner. We maintain a network of offices in North America and around the globe, with a staff of 5,200 employees who work on more than 1,200 projects each year. With $9 billion in annual construction volume.