What company is Dynex?

Could you please elaborate on the company Dynex? I'm curious to know what kind of business they are involved in, what services they offer, and what sets them apart from other similar companies in the industry. Additionally, I'm interested in any notable achievements or milestones they have reached so far, as well as any potential future plans or goals they have outlined. I would appreciate a concise yet informative answer that captures the essence of what Dynex is all about.