Pedo swirls on a book about heart problems in children. http://www.childrensheartfoundation.org/publications/its-my-heart

Bethany Christian Services has the inverted big/little logo. https://www.bethany.org/

Mercy First, a "human services agency" has a little dove inside a big dove as a logo. https://web.archive.org/web/20100302192127/http://www.mercyfirst.org:80/

This company Buckner has a suspicious heart swirl triangle type logo. http://www.buckner.org/

Probably a lot of links to nothing but I thought I'd share for the real researchers to see.