It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
This will not be as fruitful as Nexis Uni but it is possible to find information on organizational structure or a companies org chart in ABI/Inform.
Google is also another possibility when trying to find org charts. Simply type in your companies name and org chart, organizational structure, or organizational chart. You will not be guaranteed to find anything but it is always worth a look.