General Motors Acceptance Corp. (GMAC), one of GM's many subsidiaries; and yet another is GMAC Mortgage, one of GMAC's indirect wholly owned subsidiaries. GMAC Mortgage is one of the nation's largest residential mortgage lenders. It originates and services residential mortgages through a countrywide network of retail offices, direct lending centers, and Web sites using the brand names GMAC Mortgage, Ditech, and GM Family First.

The residential lending arm (GMAC Residential Holding Corp. operates under the following brand names

GMAC Mortgage
GMAC Bank
Ditech
GMAC Real Estate
GMAC Global Relocation Services
GMAC Network Services