Hewlett Packard's blockchain as a service platform, called Mission Critical Distributed Ledger Technology (DLT), allows its customers to run distributed ledger processes on an enterprise platform. HP developed this solution in conjunction with R3, and is now offering it as a BaaS option to their enterprise customers.

Ultiledger is developing a blockchain platform that is designed to add efficiency and transparency to internal business processes. The Ultiledger network is powered by the Ethereum-based ULT token, and will serve as a Blockchain-As-A-Service provider.

Dragonchain is a blockchain platform developed by Disney. It was originally called the Disney Private Blockchain Platform. In 2016, Disney made the project open-source and shifted control of it to the Dragonchain Foundation.
It has a hybrid architecture that combines private and public blockchain elements. It's designed to make it easier for enterprises to develop smart contract powered DApps. They aim to facilitate business integration into blockchain.