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Big Sky Industrial Inc is a Houston-based industrial gas and carbon management company developing one of the few material undeveloped helium resources remaining in the United States. Its operations in Montana are anchored by the Big Sky Carbon Hub, which integrates helium production, CO2 carbon management, and CO2-based oil recovery in a single, vertically connected platform.

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.