Olayan Descon is having major expertise in E&I Design, Engineering, Supply, Construction, Installation service sectors for Green & Brown Field Projects. System Assessment, Field Surveys, Field & Detail Engineering, Project management, Procurement, Implementation, Testing/Commissioning & Commissioning Assistance Services are traits of Olayan Descon under E&I section. Olayan Descon also provides integrated cost effective solutions for all industry needs including Instrumentation and Control System Design, Instrumentation Maintenance, Pressure Relief & Control Valve Repair and Calibration Services, Start-up & Commissioning projects. In addition Olayan Descon having vast experience of Instrumentation Trainings Management, Maintenance Service for Petrochemical, Chemical, Oil Refineries, Power Plants and other Industries during plant normal operation and annual turnarounds.