List of multi-channel networks

This is a list of notable multi-channel networks. Multi-channel networks are organizations that work with video platforms such as YouTube to offer assistance in areas such as "product, programming, funding, cross-promotion, partner management, digital rights management, monetization/sales, and/or audience development", usually in exchange for a percentage of the AdSense revenue from the channel.
They are also known as Online Video Studios, MCNs, OVSs, YouTube Networks or simply Networks.