Corporate Description: PetroSource is a Tulsa, Oklahoma based oil and gas accounting and division order services company. We specialize in a broad range of services, such as revenue distribution, joint audits, and auditing of oil and gas books. Our personnel stay informed and updated as accounting laws and regulations change. Summary: PetroSource is a premier oil and gas accounting and division order services company. Our experienced team offers customized services for clients in Tulsa, Oklahoma, and beyond.