Zeppeline Company Limited Industrial Services (ZIS) is leading Since 2008 in non-destructive testing, inspection and material testing services to the refining and petrochemical industries and government sectors. ZIS collaborates with leading nondestructive testing organisations, including NDT equipment manufacturers, NDT training and inspection services providers. ZIS is designed to meet the growing demand for quality assurance and quality control in the Kingdom of Saudi Arabia by offering tailored supporting services to the industries.