Sahara Industrial Services (SIS) Pre-commissioning and commissioning services for pipelines and process systems in Oil & Gas, Power, Petrochemical, Mining and Industrial Markets. Sahara Offshore Services (SOS) IMCA certified “International Marine Contractors Association” provider of geophysical, positioning and ROV services. Sahara Technical Institute (STI) Oil & Gas Professional Education and Practical Training Excellence Institute. Sahara Advanced Services (SAS) Advanced services and solutions that support clients to enhance their operations with the use of new technologies. Sahara Chemical Solutions (SCS) Unique chemical engineering solutions for diverse industries around the world through an innovative, comprehensive and exclusive portfolio of chemical products and solutions.