OEO is an accredited independent geotechnical and materials testing engineering firm, established in 1973. It is 100 % Saudi Engineering Consulting Office owned by Dr. Ayed Eid Al Osaimi.

Core business of the laboratory includes geotechnical investigation and testing of a wide range of engineering materials. The laboratory is involved in the geotechnical investigations and testing of fresh and hardened concrete, soils, cement, asphalt, aggregates and water, physical & chemical analysis of steel and environmental testing.

With head office in Al Khobar, OEO has various branches in different parts of the kingdom. It is recognized as leader in geotechnical engineering and testing services.

To demonstrate the ability of producing accurate result, to gain the confidence of end users and various governmental bodies and to achieve the set goals, OEO management system got ISO 9001:2015 by UKAS . The laboratory confirms its credibility through regular participation in the inter-laboratory proficiency testing program organized by International Agencies like, CCRL, AMRL, DAC and FAPAS.