Buena Vista Construction Company
While it might seem a bit out of character for a Disney-owned company, Buena Vista Construction Company is a perfect representation of how sweeping Disney's capital is. They started this construction company for all Disney parks construction. Many companies have in-house services, like copywriters or craft services. Disney has an in-house construction company.
Disney maintains a massive venture capital arm called Steamboat Ventures, named in homage to the venerable "Steamboat Willie" character that introduced Mickey Mouse to the masses. One of the 30 companies it invested in is GoPro, which is famous for its body-mounted action cameras.
As the owner of ESPN, Disney also owns the X Games. Most know the X Games are broadcast by ESPN (and ABC), but many don't know that ESPN owned the X Games to begin with. As a result, the largest extreme sports broadcast every year operates under Disney ownership.
Many people know Hollywood Records through artists like Queen and Demi Lovato, but they might not know it was founded by Disney to promote the company's massive music operation. Its parent company is the Disney Music Group, which also owns Walt Disney Records, Disney Concerts, and Disney Music Publishing.
It's a Laugh Production Company
It's a Laugh might not be a household name, but it's been a productive revenue stream for Disney for nearly 20 years. Among the hugely successful Disney shows it created are "Hannah Montana," "Girl Meets World," "Jonas," and "Wizards of Waverly Place."