Lender Partners 

This is a list (with links) of some lenders that you can partner with using your XSite plugins for delivery. Here are some of the major ones, and I've included, below that, a link to the Users Guide, so you'll have a handy reference for XSites delivery for any plugin.
Lender XSite Plugin Lender Web Site Sign-Up Links
ACS (a division of ValueIT) ACS Delivery https://www.valuationsupportservices.com
Bank of America, FNC, Washington Mutual (WAMU), AI Rea AppraisalPort https://www.appraisalport.com
BCE Emergis, Cendant, PHH, Fiserv, Stars BCE Emergis / Electronic Partner Connection https://www.fiservlendingsolutions.com/content/affliateApplication.aspx
eAppraiseIT eAppraiseIT Wizard https://www.eappraiseit.com
GAC (a division of Fiserv Lending Solutions) GAC/Fiserv Lending Solutions https://www.fiservlendingsolutions.com/content/affliateApplication.aspx
Lenders Financial Services LFS Delivery https://www.golenders.com
Ameriquest, Citizen's Bank RealEC https://www.realec.com/sp_register.asp
RELS/ValueIT, Wells Fargo RELS/ValueIT Delivery https://www.evalueit.com/asp/home/opps.asp
Quantrix/Chase Quantrix https://vvs.quantrixvaluation.com
Southwest Financial Southwest Financial https://www.sfsltd.com

If you use Wintotal Aurora, the XSites Network Plugins are explained in the User's Guide: https://help.alamode.com/appraiser/wintotal/default.htm?turl=xsitesnetworkplugins.htm

If you use Wintotal Athena or a different software with the XSites Order Manager, the Plugins are explained in this User's Guide: