Geotechnical & Environmental Co. Ltd., known as GECO, is a Category (A) licensed Saudi firm providing geotechnical, environmental, laboratory, and survey services to construction and infrastructure projects across the Kingdom. Its Riyadh office is located on the Eastern Ring Branch Road in the Rabwa district. The company reports more than fifteen years of experience in this field, with a team of PhD and Master's degree engineers delivering data-driven solutions. GECO handles end-to-end technical services including borehole drilling, laboratory testing, environmental impact assessments, and 3D surveying. It can be reached by phone at 112332805. Contracting firms of this kind typically handle site analysis, material strength verification, and regulatory environmental compliance to ensure project safety and durability.