Since the Joplin tornado, nearly 5,000 people have signed up for housing help. FEMA is involved, and Home Depot has set up a makeshift lumberyard that's seeing brisk business.
The president attended the memorial after touring the scene of last week's tornado, which killed at least 120 people in Missouri.
The president walked through a destroyed neighborhood before attending a memorial service for those killed in Missouri's deadly tornados.
Joplin missing: Emergency workers in Joplin searched Thursday for more than 230 people listed as missing after a tornado tore through the city.
Here's a list of a some of the major charitable agencies assisting those affected by the May 22 tornado in Joplin, Mo. and where you can send donations.