Modeling Resources
This is by no means a full list of resources, but it will help point you in the right direction. Oddly enough, there are not that many reputable resources available. You will find that most online resources are riddled with scams. So choose wisely!
Search Modeling Agencies World Wide
New York Modeling Agencies
The following modeling agencies are ones that I personally worked with, and would whole heartedly recommend. The list is somewhat small because it only includes agencies that are either still open, or ones that I still remember.