Founded in 1991, Caledonia Group Inc. is a consulting firm that collaborates with private equity firms and hedge funds. The Detroit-based firm offers a host of services, such as screening deals, realization and financial/operating expertise to its portfolio companies. The company has completed more than 200 due diligence, assessment, enterprise improvement and transition engagements in a broad range of industries throughout the United States. It provides lean tools for product development, accounting, manufacturing processes, scheduling and marketing.