NTH Consultants, Ltd. is an infrastructure and environmental engineering firm, skilled at designing and constructing in the built and natural environment. Founded in 1968, NTH has built a reputation for providing superior services. We have earned the respect of our peers and our clients by providing innovative, cost-effective solutions for both unusual and routine problems.

NTH services are grounded in the understanding of the complex interaction between the earth materials and the facilities we humans construct on and with the earth. Our passion to exceed client expectations has led NTH to deliver award winning projects consistently. We are a nationally recognized expert in the geo-environmental discipline.

NTH is an employee-owned firm, driven by the desire to amaze our clients. This commitment is our corporate philosophy.  It compels our employees to excel, it transforms our clients into long-term business partners. It is the core of NTH – it’s what you don’t see that counts…