List of top 15 start-up accelerators

List of top 15 start-up accelerators:

1. Y Combinator of Mountain View, Calif.
2. TechStars Boulder
3. KickLabs of San Francisco
4. i/o Ventures of San Francisco
5. Excelerate Labs of Chicago
6. AngelPad of San Francisco
7. TechStars NYC 
8. TechStars Boston 
9. Launchpad LA  of Los Angeles
10. 500 Startups of Mountain View, Calif.
11. DreamIt Ventures of Philadelphia
12. TechStars Seattle
13. NYC SeedStart
14. Entrepreneurs Roundtable Accelerator of New York City
15. The Brandery of Cincinnati

Reference:http://enterchange.cincinnati.com/2012/08/22/brandery-ranked-top-national-accelerator/