AIG is involved in various segments of the US residential mortgage market. It provides mortgage insurance through United Guaranty and originates mortgages through American General Finance. It also provides credit protection on CDO structures containing US residential mortgage securities through AIG Financial Products. While certain segments of the mortgage market have experienced credit deterioration affecting AIG's mortgage guaranty insurance business, AIG remains comfortable with the size and quality of its investment portfolios and its overall role in the residential mortgage market.