There are numerous video hosting sites out there available to your business, but most are just for hosting videos on internal websites, and not for SEO/outreach purposes.
But, we would be remiss in this lesson to not mention one of YouTube's newest competitors: Vimeo.com.
From Vimeo's website: Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest quality video in the universe.
Vimeo, tailored to creative professionals, does boast some high-quality videos and a very loyal following, but does not seem to do very well from an SEO perspective.
Look at the following screenshot:
You can tell through this one video example that the engagement can be very high, but most videos are tailored for individual's use versus a company. If your company and your employees are on the creative side of the company spectrum, Vimeo could be an ideal fit.