Three Jackson, MS-based accounting firms are combining with Springfield, MO-based BKD, LLP, one of the 10 largest CPA and advisory firms in the United States. BKD Managing Partner Neal D. Spencer announced the firms' combination is effective June 1, 2008. Smith, Turner & Reeves, P.A. (ST&R); Johnson, Bruce & Host, PLLC (JB&H); and Shearer, Taylor & Co., P.A. (ST&C) jointly bring approximately $10 million in annual revenues and approximately 70 personnel, including 12 partners, to the transaction.