With personnel turnover in the contract security industry of significant concern to the clients and suppliers alike, DSI strives to reduce officer turnover to a minimum with the implementation of superior training and competitive wages. DSI employs a substantial number of temporary and part-time workers in order to cover known shortages due to vacation, labor disputes, seasonal fluctuations, and temporary contracts. The employment of college students, military personnel, and such are also utilized knowing that their retention with DSI may not be permanent. As a rule, this type of employee is reliable and will help to meet the needs within company. A more accurate gauge of retention is to analyze the facts: 50% of DSI employees have been with the company two years or more, 15% of DSI employees have remained for more than three years, and more than 10% of DSI employees have remained with DSI for more than five years.