InventHelp : Provides submission services and technical drawings.
Unilever and Procter & Gamble (P&G) look for household, hygiene, and beauty innovations. who buys invention ideas
Invention City : Offers a "Brutally Honest Review" and occasionally offers licensing deals that cost the inventor $0 out-of-pocket. who buys invention ideas
Bosch, FastCap, and Hyde Tools seek professional and DIY tool improvements. who buys invention ideas