This document provides an overview of careers in the oil and gas industry. It discusses why oil and gas will remain a major business sector for the next 10-20 years due to high salaries, challenging work, and opportunities across upstream, downstream and marketing divisions. It describes the three main types of companies - owner companies that have production sharing contracts, service companies that provide expertise, and regulatory agencies that monitor operations. Finally, it offers advice on pursuing an oil and gas career by tracking job postings, signing up for company newsletters, and joining relevant professional organizations.