TGR is a US company which develops civil engineering services in tunnel, structural, geotechnical and drainage areas, through a multidisciplinary team and working jointly with strategic allies and technological organisations.

Our main field of work is public and private infrastructures, where we have achieved the highest technical level, earning the trust of large construction companies and major public organisations involved in the sector.

With offices in Virginia, Texas and Saint Louis, we have PE licence in all the US States, so we can supply engineering services with all of the legal requirements.

Consequently, this now makes us capable of satisfying our customers’ needs and expectations, making a firm commitment to society and the environment, the challenge of optimum quality, without forgetting that only innovation will keep us competitive and attractive in our customers eyes.