Eco-innovation is any new or substantially improved product, process, or service that generates commercial value without damaging the natural environment. This book focuses on the relationship between eco-innovation and firm operational performance, including the role of ownership structure in this relationship. This book delves into the state-of-affairs of Malaysian Oil and Gas Services and Equipment (OGSE) companies. This book’s measurement of eco-innovation at the firm level contributes to the establishment of eco-innovation implementation measurement tools. Furthermore, this book suggests the factors that can help oil and gas companies achieve economic performance while achieving ecological goals.