Greasebook is a software company based in Oklahoma City that offers an application for the gas and oil industry. Their app allows users to track and record production information, create and share reports, and access analytics and insights to improve performance. The company was founded in 2013 by Greg Archbald and aims to help oil and gas operating companies automate and improve their business operations. With no upfront costs, contracts, or ramp-up time, Greasebook offers a cost-effective solution for managing oil and gas production.