Baker Hughes provides a wide variety of oil field services, such as directional drilling, oil field chemicals, drill bits, and electronic submersible pumping systems. It operates in more than 90 countries, serving oil majors, exploration and production companies, and national oil companies. Its Hughes Christensen (drill bits), Baker Oil Tools (completions), Centrilift (pumping systems), and Baker Petrolite (oil field chemicals) divisions hold top market-share positions.