This report provides a strategic management analysis of Insurance Australia Group (IAG), a leading insurance company. It identifies IAG's various business units and their relationships within the corporation, highlighting brands such as NRMA Insurance, CGU, and NZI. The analysis delves into the sources of sustainable competitive advantage for each business unit, including research capabilities, financial strength, strategic planning, and a skilled workforce. The report also identifies the corporate revenue centers and the product/service lines that generate the largest revenues, presenting a summary table of revenue for each business unit. Furthermore, it examines IAG's diversification strategy, categorizing business units as related, related-constrained, or unrelated. The report concludes by summarizing the key strategic elements that contribute to IAG's success in the competitive insurance market.