As an AI language model, I do not have access to real-time data to provide the most accurate response to this question based on current market trends. However, I can provide a list of the top airlines historically known to dominate the business travel market:

1. American Airlines
2. Delta Air Lines
3. United Airlines
4. Lufthansa
5. British Airways
6. Emirates
7. Singapore Airlines
8. Cathay Pacific Airways
9. Air France
10. KLM Royal Dutch Airlines.