Zazzle provides an internet marketplace for custom products. The site allows users to upload images and create their own merchandise, or buy merchandise created by other users, as well as use images from participating companies. Zazzle was founded in 2005 and is based in Menlo Park, California.

Custom Ink provides custom apparel for groups and occasions. Custom Ink enables people to design and order custom t-shirts and accessories for their clubs, companies, charities, family reunions, and more.

Print Syndicate is an apparel and home goods company. The company's design team interprets and converts social trends into digital designs, which are then printed on objects including apparel, phone cases, housewares, and more and sold through the company's multiple e-commerce brands (LookHuman.com, ActivateApparel.com and MericaMade.com).

Gelato is on a mission to empower ecommerce and the creator economy to reach any customer overnight with any customized product. Gelato's curated marketplace lowers the barriers for creators and entrepreneurs around the world to go and sell their own products online by offering a one-stop shop for customized print products on demand.

Genesis Digital provides a suite of SaaS e-commerce solutions. Its flagship product Karta combines customers, email, video, and shopping cart management into one platform.

Gooten is a custom print fulfillment service that enables businesses to simplify product fulfillment. Gooten offers an intuitive API, iOS and Android SDKs for white-labeled print sales, a Shopify App which automates product fulfillment, and B2B direct sales of merchandise and promotional products.