There are many organizations and groups that have created resource listings to help you find services.
Disabled Veterans National Foundation (DVNF) - National Resource Directory
Infinite Hero - Technology, Community, Medical Research, and Mental Health Care Resources
National Resource Directory (NRD) - A Resource Website for Military and Veteran Community
National Veterans Outdoors Resource HUB
Patriot Link - Verified and Free services for the Military and Veteran Community
Project Sanctuary - Military Family Resources
National Veterans Foundation - Veteran Service Officers
Warriors Helping Warriors - Resource Listing