There’s no question that the residential servicing business is continuing to consolidate, but 2005 has made it clear that not all big servicers are playing the market the same way. As a group, the top five lenders in the business accounted for a record 42.0 percent of the estimated $8.47 trillion mortgage servicing market. That was up from a 40.5 percent combined market share as of the end of last year and sustained a rapid… [Two data tables included]