What does "Closely held Vapps" mean as in:?

Closely held Vapps, of Hoboken, New Jersey, has a plan to offset the cost of providing free conference calls by offering related premium services, including conference call recording, playback and 24-hour operator support for arranging calls.

The definition of "closely held"

A corporation for which most of the voting stock is held by a small number of shareholders, but which is still publicly traded. These shares are generally not available to the public, and given the fact that there are few shareholders, the shares are usually very thinly traded.

"Vapps"

Vapps is the leading, global provider of VoIP audio conferencing services and systems.

http://www.vapps.com/