Tatweer Industrial Inspection Services (TIIS) is a well-known inspection and quality assurance company that serves the construction, manufacturing, marine and oil and gas industries, engineers and technical managers are dedicated to providing quality services focused on protecting and maximizing our clients return on investments. Inspection involves verifying on-site that a product, asset or system meets specified criteria. It covers a wide range of services designed to reduce risk, control quality and verify quantity and meet regulatory requirements.