Milliman USA is acquiring Evaluation Associates, the investment consulting business of EAI Partners, Norwalk, Conn. Terms were not disclosed. The acquisition by Milliman, a Seattle-based actuarial consulting firm, adds depth to its consulting business, according to a news release from Milliman. Evaluation Associates will be an independent unit within Milliman's corporate structure, according to Milliman. Milliman's investment consulting business, headed by Jeffrey Van Orden in its Philadelphia office, will become part of the combined investment consulting business led by Mr. Orden.