DST Systems Inc. is an American software development firm that specializes in information processing and management. DST was founded in 1969 as Data-Sys-Tance, a division of Kansas City Southern Industries, and is currently headquartered near Kansas City Southern's headquarters on Quality Hill in Kansas City, Missouri.

DST Systems Inc. produces the AWD, or Automated Work Distributor, software package, which is a business process management solution. Its primary purpose is to increase back-office efficiency through workflow and imaging. It also helps to reduce paper in the office.

DST Systems, Inc. is headed by CEO Steve Hooley, and CFO Gregg Givens. Internationally, many of DST Systems products are sold by its subsidiary DST Global Solutions. DST Systems affiliates are DST Worldwide Services, DST Global Solutions, and DST Health Solutions.

DST Systems has made its presence in India in 2000 as DST Worldwide Services India. DST Worldwide Services India Private Limited was formerly known as DST Global Solutions India Private Limited and changed its name in December 2008. The company was incorporated in 2000 and is based in Hyderabad, India. DST Worldwide Services India Private Limited operates as a subsidiary of DST Systems Inc.

DST Systems main competition includes Envision Financial Systems, PFPC, SunGard, Northern Trust and US Bancorp Fund Services. DST Systems also does business, through a joint venture with State Street Corporation, as Boston Financial Data Services as well as International Financial Data Services in Canada, the United Kingdom and beyond.

DST Global Solutions has its headquarters in the London suburb of Surbiton, United Kingdom and 13 offices in 9 countries with over 550 staff and over 300 clients based in 45 countries. The current Chief Executive Officer is Arun Sarwal, who took over in September 2012, from Tom Abraham.

DST Global Solutions, competes with a number of companies in each local region as well as global competitors. For example, for fund accounting SunGard, SimCorp, Linedata Services are all global financial companies. In data management competition comes from VistaOne (formerly Netik), Eagle and Cadis. In the Performance Measurement arena it is BI-SAM and StatPro in the main.