The list of Fortune 500 companies providing written workplace protections on the basis of sexual orientation has grown to 471 Equality Forum, an LGBT civil rights organization, said…The figure represents 94.2 percent of the companies listed in 2008…ExxonMobil is the largest of the Fortune 500 that does not specifically provide sexual orientation protection and resisted shareholder calls to amend the policy in 2006, 2007 and 2008...[refers also to GMAC, Virgin Media, Celanese and Universal Health Services]