NeoTool Development, LLC [http://www.neotool.com/] develops
applications for the health-care industry.  They focus on
HL7 and [Cloverleaf] in networking ...

(... and Cloverleaf, for those wondering about the Tcl connection, uses Tcl extensively as an internal scripting language. It used to use Tk for its GUIs, but I think most of them have been rewritten in Java. Pity. [Bryan Oakley])