Cost Reduction Services. Cost Savings Initiatives, LLC (“CSI”) believes in taking a holistic active approach to manage costs and reduce expenses for your business or organization. CSI offers a comprehensive suite of cost reduction services that address most expense items of your company or organization.ur Goal is Simple – We help you Increase Revenues and Decrease Expenses. There is no reason to leave money on the table. Our cost reduction services will maximize your savings by utilizing the newest technology, using our vast industry expertise and by leveraging the buying influence of a large network of purchasers.