Does the company SQL Solutions still exist?
Yes, the SQL Solutions company still exists. I've checked their old link and I could see activity and products listed as they would normally be on the page. To access the page, click on the link posted below that will take you to the main page.
The Ultime Debugger application is available as well. To contact the developers, simply click the next link: http://sqlsolutions.com/company/contact.html