Oxygen CAD Teq Private Limited is an engineering services and IT company founded in 2008 and headquartered in Chennai, India. It provides engineering design and analysis services across industries such as aerospace, automotive, medical, and oil and gas. The company has over 100 engineers and aims to provide end-to-end solutions from concept design to manufacturing using its expertise in CAD/CAM/CAE software and processes. It focuses on quality, cost-effectiveness, and reducing delivery timelines for clients.