 WHITE PLAINS, N.Y.--BUSINESS WIRE--Marsh McLennan Agency MMA, the middle market agency subsidiary of Marsh, today announced the acquisition of Vaaler Insurance, Inc., one of the largest independent agencies in North Dakota. Terms of the acquisition were not disclosed. Vaaler is a third generation family-owned business, providing business insurance, employee health and benefits, and personal lines solutions, with specialized expertise in the construction, education, and healthcare industries 