Business Expense Categories Lists are items that organizations or businesses need to track and report on. These expenses can range from office supplies and utilities to employee payroll, training and development costs, travel expenses, and research and development costs. By providing a detailed breakdown of essential expenses, businesses can determine where funds should be allocated to ensure that the necessary resources are available for operations. By carefully monitoring these costs and making sure they are in line with the company’s budget, businesses can ensure that their operations remain efficient and profitable.