1. Prudential Douglas Elliman (acquired Douglas Elliman)

, 2,400 agents, Manhattan, Queens, Nassau, Suffolk, Long Island and The Hamptons, Total Sales Volume: $6.5 Billion. 2. Terra Holdings, (Brown Harris Stevens, Halstead, Halstead/Feathered Nest, Dunemere Assoc., LI), 835 agents, Manhattan, Long Island, and Palm Beach, Fla., Total Sales Volume: $6 Billion. 3. The Corcoran Group (owned by NRT/Cendant), 500 agents, Manhattan, Brooklyn, Long Island, The Hamptons, Palm Beach, Fla., Total Sales Volume: $5 Billion. 4. Sotheby's International Realty (acquired by Cendant), 120 agents, Manhattan, Total Sales Volume: *$1.1 Billion. 5. Coldwell Banker Hunt Kennedy (acquired Charles H. Greenthal, Inc.), 250 agents, Manhattan, Brooklyn, tri-state region and Fla., Total Sales Volume: +-$1 Billion. 6. Bellmarc Property Management, 250 agents, Manhattan, Total Sales Volume: *$896 million.