Every Town for Gun Safety https://www.everytown.org/
John Hopkins Center for Gun Violence Solutions
https://publichealth.jhu.edu/.../center-for-gun-violence...
Brady Campaign to End Gun Violence
https://www.bradyunited.org/take-action
Newtown Action Alliance
https://www.newtownactionalliance.org/act-now-index...
Giffords Law Center to Prevent Gun Violence
https://giffords.org/
Sandy Hook Promise
https://actionfund.sandyhookpromise.org/...
The Campaign to Keep Guns Off Campus
https://www.keepgunsoffcampus.org/take-action/
Moms Demand Action for Gun Sense in America
https://momsdemandaction.org/