Strategic Marketing to Grow Your Business Since 1972, corporations and entrepreneurs across the Midwest have partnered with idc for its expertise in the development and execution of strategic, integrated B2B marketing plans. To grow your business—to increase market share, break into new segments, reposition or build your brand—idc’s experience, ingenuity and outside perspective can be exactly the prescription you need. Let's talk. Latest News idc Wins Big with Run for the Red Logotype. Read More. idc’s Kennedy Elected to Historic Prophetstown board Read More. How to Market in This Down Economy. Read More.