Cell Phone #: (832) 368-4004         San Antonio, TX  (210) 829-5330         
EGA is geophysical and geological consulting firm offering services to the public and private sectors including environmental, geotechnical, civil/municipal, and land
development. EGA has recently celebrated its 17th years in the consulting service. We sincerely thank our clients for their trust in us. This is due to our commitment to
excellence and our desire to go extra mile for each project. We strive for the perfection and take a great pride in our profession.  
Below are field pictures from  Ground Penetrating Radar survey for detecting foundation void, Self Potential and Resistivity surveys for pond leakage, MASW and Seismic
tomography surveys for shear wave velocity and refraction tomography, Conductivity, Magnetic and EM61 surveys for buried fill material and metallic materials, and
Resistivity and GPR survey for subsidence site investigations.