BETHESDA, MD--(Marketwire - May 18, 2012) - According to the Interface Financial Group (IFG), North America's largest alternative funding source for small businesses, the company's spot factoring services is an innovative cash flow solution for small to medium-sized enterprise (SMEs) to continue funding their businesses. As the sector continues to recover economically, factoring is the funding choice for many small businesses seeking growth and expansion financing during these economic times.