American Red Cross
http://www.redcross.org

Salvation Army (US)
http://www.salvationarmyusa.org

Corpus Christi Food Bank
http://www.foodbankcc.com/

Houston Food Bank
http://www.houstonfoodbank.org/donate/

Texas Diaper Bank
http://www.texasdiaperbank.org/

SPCA of Texas
https://www.spca.org/news_hurricane-harvey

Portlight
Grassroots organization that provides disaster aid to the disabled specifically
http://www.portlight.org/home.html

The Coalition for the Homeless
An umbrella organization coordinating shelters and organizations across the city
https://www.homelesshouston.org/take-action/donate/

Southern Baptist Disaster Relief (SBDR)
https://www.namb.net/send-relief/disaster-relief

Samaritan’s Purse
https://www.samaritanspurse.org/disaster/hurricane-harvey/#

Heart to Heart
http://www.hearttoheart.org/

Assist the Officer
100% of proceeds go towards police officers who have lost vehicle, property, and their homes.
http://www.assisttheofficer.com