Gorrondona Engineering Services, Inc. (GES) is a Houston-based privately held Texas corporation specializing in geotechnical engineering and construction materials testing and inspection (CMT). GES owns and operates truck-, track- and buggy-mounted drilling rigs and maintains a full-service soil and CMT laboratory accredited by the American Association for Laboratory Accreditation (A2LA) and AASHTO.


GES is concerned with the safety, health and welfare of our employees and maintains an active health and safety program which includes training, mentoring, monitoring and reinforcement.  

More about GES and our industry.

LaRhea Nichols 

Ken Riner, P.E. 

Chuck Salsky, P.E. 

Jeanne Bassetti Jullien 


Is an integral part of our business!