Forex industrial chart:-
Forex dealers primarily rely on customers outside of the United States, with upward of 70 percent of all customers coming from more than 140 countries. International customers must go through a stringent account-opening process, which includes depositing money in U.S. banks. These international deposits mean that tens of millions of dollars are flowing to the U.S. banking industry each day. In fact, it is estimated that the banks of forex dealers held $1.3 billion in customer deposits in 2007 alone.

popularity of forex marketing:-

The growth of trading OTC foreign exchange (known as retail FX or retail forex trading) has nearly doubled from 2004 to 2007, and has been projected to continue well beyond 2010. Industry innovation, competition and consumer demand helped spur this growth.
The public has recognized U.S. forex companies as leaders in technology, with three of the leading forex firms named to the Deloitte Technology Fast 500, a ranking of the top North American technology companies, for three consecutive years. The leading U.S. forex companies have also been named to the Inc. 500 list of the country’s fastest growing companies. In 2006, the top FX companies made up nearly 20 percent of the total number of financial services industry firms on the Inc. 500 list.As indicated by these rankings, the popularity of this growing market with active traders has helped to make foreign exchange one of the fastest growing industries in the United States.

Foreign Exchange Dealers Coalition (FXDC) :-

The Foreign Exchange Dealers Coalition (FXDC) is an alliance of the largest U.S. foreign exchange market dealers. The FXDC partnership was formed in the fall of 2007 to pool together industry resources to demonstrate the viability of the forex industry and to ensure fair regulation and oversight that does not hamper freedom of choice, innovation or job creation.