1. Amazon: Approximately 45,000 employees in the state.
2. Boeing: Around 66,000 employees in Washington.
3. University of Washington: Over 35,000 employees across its various campuses.
4. Microsoft: Approximately 60,000 employees in the state.
5. Providence Health & Services: Employs over 35,000 people in Washington.
6. Kaiser Permanente: Has about 30,000 employees in the state.
7. Costco: Approximately 28,000 employees in Washington.
8. Safeway: Employs over 25,000 people in the state.
9. Walmart: Approximately 35,000 employees in the state.
10. Starbucks: Employs over 20,000 people in Washington.
These figures may fluctuate over time due to changes in employment and economic conditions.