The US drilling market spans the Permian, Bakken, Eagle Ford, Haynesville, and offshore Gulf of Mexico. armbeat ranks contractors and service companies by composite performance grade combining activity, reliability, and operational footprint. As of 2026, armbeat tracks 7 drilling and oilfield service companies operating in the United States. Rankings reflect a composite grade from three dimensions — Activity (operational footprint and volume), Performance (efficiency and KPIs), and Reliability (NPT events vs peer median) — recalculated as new daily drilling reports arrive. Top-ranked: 1. Baker Hughes (grade B+), 2. Halliburton (grade B+), 3. Weatherford International (grade D), 4. Aker Solutions, 5. Nabors Industries.