WASHINGTON ( TheStreet) -- Nothing's for free, not even lunches at the White House.

CEOs from Wal-Mart Stores ( WMT), Starbucks ( SBUX), Verizon ( VZ) and Nucor ( NUE), were asked to fork over their credit cards so the White House could charge them for a lunch they had with President Barack Obama on Friday, according to reports.

Obama is being careful not to create a conflict of interest as he meets with these CEOs to figure out how to get the private sector back on solid footing.

Last month the CEOs from Xerox ( XRX), Coca-Cola ( KO), AT&T ( T) and Honeywell ( HON) were also asked to pay for their own lunches at the Big House, Politico originally reported.

These lunches use to be paid out of the taxpayer-funded entertainment budget.

--Reported by Jeanine Poggi in New York.

Copyright 2009 TheStreet.com Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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