WMC Tops $4 Billion B&C Submissions on B2B System Reinventing the way the company does business has paid dividends for WMC Mortgage: productivity is up and loan-funding volume is growing at a rapid rate. "Brokers, just like us, are looking to do their business faster, cheaper and better. We can help them do it," said Amy Brandt, national sales director for the California-based lender.