Each person non resident of the Russian Federation prior to applying for visa in the consulate must get an invitation according to the purpose of his or her visit.
Your Visa To Russia provides invitations for tourist and business trips.

Medvedev urges not to turn back on soviet projects

Russia, Afghanistan, Pakistan and Tajikistan could come back to developing Soviet-era economic projects, President Dmitry Medvedev has said at the four-country summit in Sochi.

All Russia news »

Source: http://rt.com/Politics/2010-08-18/sochi-summit-leaders-medvedev.html