List of Wyoming companies

The mineral extraction industry, including oil and gas, is the main driver of the Wyoming economy, accounting for more than three-fifths of the state's revenues.

[1][2] Travel and tourism is the second-largest sector in the state, providing $3.3 billion to the state's economy, with $170 million in tax revenues in 2015, along with 32,000 jobs.

[3] Primary tourism draws are natural, including Yellowstone National Park and Grand Teton National Park.

[5] This list includes notable companies with primary headquarters located in the state.

Organizations which have ceased operations are included and noted as defunct.