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NOV (formerly National Oilwell Varco) designs, manufactures, and sells a wide range of equipment and components supplying the oil and gas industry, including rig equipment, downhole tools, drill pipe, and well casing. NOV's customers include major integrated oil companies, national oil companies, independent oil and gas companies, and drilling contractors. Its operations are organized into two reportable segments: energy products and services and energy equipment. NOV operates on a global scale, with international markets contributing nearly two-thirds of its annual revenue.

Shell is an integrated oil and gas company that explores for, produces, and refines oil around the world. In 2025, it produced 1.5 million barrels of liquids and 7.3 billion cubic feet of natural gas per day. At end-2025, reserves stood at 8.1 billion barrels of oil equivalent, 44% of which consisted of liquids. Its production and reserves are in Europe, Asia, Oceania, Africa, and North and South America. The company operates refineries with a capacity of 1.4 mmb/d located in the Americas, Asia, and Europe, and sells about 9 million tons per year of chemicals. Its largest chemical plants, often integrated with its local refineries, are in NorthWestern Europe, China, and North America.