Other big-league juried design competitions:

 

To learn more regarding a specific Competition, checkout the hyperlink.

Advanced ContestAdvertising ContestWebsite ContestBicycle Contest
Black ContestBrown Goods ContestUtility Car ContestCulinary Contest
Food ContestFood and Beverage ContestGold ContestHotel Contest
Luxury Hotel ContestIdea ContestIdeas ContestAbstract Idea Contest
Information Technologies ContestMaterial ContestMedical and Scientific ContestMeta Contest
Model ContestGreat ContestProfessional Packaging ContestPhotography Contest
Professional Photography ContestPrototype ContestRed Goods ContestRed Arts Contest
Scientific ContestSculpture ContestStructure ContestSponsor Contest
Students ContestAmateur ContestTable ContestToy Contest
Transportation ContestUnexpected ContestWhite Goods ContestYoung Contest
Also visit: All of Design Prize | Competition Index