Most Realtor-affiliated real estate brokerages have a single office, are independent, and use fewer technology tools than their larger brethren, according to a report released today by the National Association of Realtors. The report, NAR's 2013 Profile of Real Estate Firms, includes the results of an online survey fielded in August with 6,671 responses from Realtor executives at real estate firms nationwide. Results were broken down by whether a firm specialized in residential or commercial brokerage and by the size of the firm: one, two, three, or four or more offices. Eight out of 10 real estate brokerages surveyed operated out of just one office -- employing a median of two full-time licensees. Only 8 percent of brokerages had four or more offices. In terms of technology, the ...