SLB is a 100-year-old oil and gas service company. It is based in Texas but operates globally, with particular strengths in Latin America ($6.2 billion), Europe and Africa ($9.6 billion), and the Middle East ($12.2 billion). Its largest divisions are Production Systems ($13.3 billion revenues in 2025) and Well Construction ($11.9 billion) with Reservoir Performance ($6.8 billion), Digital ($2.7 billion), and All Other ($2 billion) making up the remainder of its $35.7 billion in total revenue).