As an AI language model, I don’t have personal opinions or data to give but here are ten examples of real estate developers or companies that have made strides towards sustainable mixed-use developments:

1. Forest City Realty Trust
2. Hines
3. Lendlease
4. Related Companies
5. Tishman Speyer
6. Brookfield Properties
7. Skanska
8. Prologis
9. Boston Properties
10. Sterling Bay