StockX provides a platform that focuses on the retail industry, particularly in the realm of fashion, collectibles, and electronics. Its services include providing a marketplace for buying and selling items such as sneakers, streetwear, trading cards, handbags, and watches. It primarily caters to consumers who are interested in hard-to-find fashion items and collectibles. StockX was formerly known as Campless. The company was founded in 2016 and is based in Detroit, Michigan.

Flip is a company that specializes in the sale of limited edition sneakers within the e-commerce industry. They offer a platform for authentic sneaker auctions where buyers can set their own prices and receive notifications for sneakers they desire. Flip facilitates the sale of every approved item within a specified timeframe, handling all payments through their app. It was founded in 2014 and is based in Oakland, California.

The Mainstreet Marketplace is a premium retailer focused on streetwear fashion and sneaker culture. The company offers a wide range of sneakers, apparel, and accessories, catering to the needs of sneaker-heads and street fashion enthusiasts. Mainstreet primarily serves the fashion-forward consumer segment looking for the latest in streetwear and limited-edition releases. It was founded in 2019 and is based in Mumbai, India.

SODA is a company focused on creating innovative online marketplaces for the seamless buying and selling of sneakers and luxury goods. Their main service includes operating Japan's largest authenticated sneaker and trading card marketplace, which caters to a diverse audience seeking to express their individuality through unique items. They also offer a fashion collective online store that features trendy items. It was founded in 2018 and is based in Tokyo, Japan.

GOAT is a global e-commerce platform that specializes in authentic sneakers, apparel, and accessories. It offers a marketplace for new and used items, catering to sneaker enthusiasts and fashion-forward consumers. GOAT Group operates multiple brands, including GOAT, Flight Club, Grailed, and Alias, serving a community of over 50 million members. It was founded in 2015 and is based in Los Angeles, California.

Novelship is an online marketplace for sneakers, apparel, and collectibles in the fashion retail sector. The company provides a platform for purchasing and selling a variety of fashion items, including shoes and clothing. It was founded in 2018 and is based in Singapore.