Marsh & McLennan Agency LLC (MMA) has acquired J. Smith Lanier (JSL), a group of middle market insurance agencies. JSL will operate as MMA’s Southeast Region hub with D. Gaines Lanier, JSL’s chief executive, and Gary Ivey of MMA at the helm. MMA will absorb all of JSL’s over 600 employees. JSL, founded in 1868 and which has annual revenues of approximately $130 million, is a provider of insurance,