Manufacturers are losing revenue and margin due to fragmented data, disconnected systems, and outdated commercial processes that fail to support the selling side of the business with the same rigor applied to the shop floor. By unifying customer data on a single platform, modernizing sales processes with AI-driven tools, and integrating revenue management, manufacturers can dramatically reduce leakage and improve profitability. According to McKinsey, agentic AI has the potential to generate $450 billion to $650 billion in additional annual revenue by 2030, representing a 5 to 10 percent uplift in advanced industries. This guide outlines a three-phased approach structured around unifying customer data, modernizing selling processes, and integrating revenue management processes.