Posted in Business & Finance, Government & Military, Information Technology, Internet Slang, Organizations DTIS stands for Diagnostic Trade Integration Study (World Trade Organization) DTIS stands for Department of Telecommunications and Information Services (San Francisco, California) DTIS stands for Dourlens Technique Industrie Services (French: Dourlens Technical Services Industry) DTIS stands for Design and Technology of Integrated Systems (in Nanoscale Era; international conference) DTIS stands for Debtors Tracking Information System (South Africa) DTIS stands for Don Tilma Information Solutions (Canada)