Semaview

This is a company in Cananda that's planning on creating Semantic Web tools.

They have a fairly good white paper on the advantages and applications that the Semantic Web has to offer. These include content management, image searching, knowledge management and legal applications. The obvious advantages are easier integration and enhanced productivity through improved search technology.

http://www.semaview.com/sb/c2r.sv

What's what?
http://www.semaview.com/sb/faq.sv

While their links to other technologies is fairly light, the didn't even have Jena listed, they did have a good number of inferencing tools:
http://www.semaview.com/dc/soft3.sv