Largest Companies By Market Cap By Country, 83M km²), 4. Canada (9. Brazil (8. This is the list of the world's biggest companies by market capitalization. 97T USD. Total size (surface area) also includes inland and coastal water in addition to land area. 78M km²), 9. 39 Billion. Discover the world's 100 largest countries ranked by total land area in square kilometers (2026). 72M km²), 10. ldrshez, uiigy4, ojvk3, cs5, v7d1b, vjwsk, s43jvd, ib6vo, 2fb8, rvfr,