Designjar - Designjar offers graphics for social media and online advertising.
Icons8 Background Remover - Quickly remove the background from any photo
Raven Creative - Raven Creative specializing in effective, strategy-driven solutions for website design, branding, advertising & beyond.
remove.bg - Remove the background of any image 100% automatically
Zurb - ZURB helps companies design better websites, services and products through services that include design strategy and interaction design.
ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!