• Provides residential mortgages and finance options for St. Louis and the state of Missouri. Get a Lifetime of Free Refinances! AMS offers the best customer service available. On our site you can learn about mortgages with our Financing 101 tutorial, pre-qualify for a loan, find out what interest rates are available, and even caluclate payments • Houston based company providing several types of mortgage options. Site offers resources, loan tools and information about all the loan types available.