ExxonMobil, the largest publicly traded international oil and gas company, uses technology and innovation to help meet the world's growing energy needs. They hold an industry-leading inventory of resources and are one of the world's largest integrated refiners, marketers of petroleum products and chemical manufacturers. ExxonMobil has remained a leader in energy technology throughout its 135-year history. With a commitment to fundamental science and innovation unmatched in their industry, they invest about $1 billion a year in R&D. They continue to advance a range of technologies to help meet growing demand for energy while also reducing greenhouse gas emissions associated with energy use. ExxonMobil commits to be innovative and responsive, while offering high quality products and services at competitive prices.