Contract Raises New Concern Over Sallie Mae's Ties to GuarantorSallie Mae, the nation's largest student-loan company, has a contractual arrangement with USA Funds, the nation's largest guarantee agency, that gives the lender extensive financial and operational control over the guarantor that oversees its work, according to a copy of the contract obtained by The Chronicle.... Copyright © 2008 by The Chronicle of Higher Education Subscribe | About The Chronicle | Contact us | Terms of use | Privacy policy | Help |