What online companies offer multiple domain hosting?

Some popular web providers that offer this feature include:

HostGator: HostGator provides shared plans that include support for multiple domains. The Baby and Business plans, for example, allow you to host unlimited domains.

SiteGround: SiteGround offers shared plans that come with the ability to host multiple domains. The GrowBig and GoGeek plans allow you to host multiple websites on a single account.