Coldwell Banker Residential Brokerage has ranked first in sales volume and transaction sides among Massachusetts real estate companies in 2011, according the recently released "REAL Trends 500" report.

The "REAL Trends 500" is an annual research report that identifies the country’s largest and most successful residential real estate brokerage firms as ranked by closed transaction sides and separately by closed sales volume.

With 69 offices and more than 3,000 sales professionals in Massachusetts, Coldwell Banker Residential Brokerage accounted for more than $8 billion in closed sales volume, and the company closed 17,227 transaction sides in 2010, putting it at No. 1 in Massachusetts. A transaction side is either the buyer side or the seller side in a real estate transaction.

"Coldwell Banker Residential Brokerage’s ranking as the top residential real estate brokerage firm in Massachusetts by such a prestigious publication is a testament to our commitment to providing exceptional service to our clients and customers," said Rick Loughlin, president of Coldwell Banker Residential Brokerage in New England. "As the leading real estate company in New England, we have the technological and marketing resources that are critical to be successful in today’s real estate environment."

NRT LLC, the parent company of Coldwell Banker Residential Brokerage, was ranked as the No. 1 residential real estate brokerage firm in the U.S. based on sales volume and transaction sides for the 14th consecutive year.