"Supplies will be allowed from all slaughterhouses, meat-processing companies and coolstores included on the November 29, 2005 lists of enterprises authorized to export this class of product into Russia," Rosselkhoznadzor said in a news release.
Six new companies were added to the list of pork exporters.
The watchdog also lifted a ban on poultry deliveries from a U.S. company but warned that the supplier, suspected of inadequate salmonella control in the past, would remain under the close scrutiny of Russian inspectors.
Russia's restrictions on U.S. meat imports were a major stumbling block in bilateral negotiations on Russia's entry to the World Trade Organization. Last November, Moscow secured a hard-fought bilateral agreement with Washington, removing the last major obstacle to its joining the world's largest trade body.