Quirky : A community-led platform that takes consumer product ideas, refines them with designers, and shares profits with inventors.

Idea Buyer : Partners with inventors to launch products into major retailers like Walmart and Lowe's. Essential Steps to Protect Your Idea How to Sell an Idea to a Company Without Them Stealing It

Bosch, FastCap, and Hyde Tools seek professional and DIY tool improvements.

Unilever and Procter & Gamble (P&G) look for household, hygiene, and beauty innovations.

These companies help with development and marketing for an upfront fee or a share of future royalties:

Finding a buyer for your invention usually involves , where a company pays you royalties to manufacture and sell your product, rather than buying the idea outright . Many established corporations actively seek outside innovation through "Open Innovation" portals. 1. Major Companies with "Open Innovation" Portals

Invention City : Offers a "Brutally Honest Review" and occasionally offers licensing deals that cost the inventor $0 out-of-pocket.