- The Institute of Management Sciences - Providence, RI (EA)
- The International Molinological Society (EA)
Tactical Incapacitating Munitions System (MCD)
Tactical Information Management System (SAUS)
Tailored Inspection Maintenance System (SAUS)
Tape Inventory Management System (SAUS)
Technical Information Management System
Technology Integration of Missile Subsystems (MCD)
Telecommunications Instruction Module System (IAA)
Telecoms Integrated Management System - Communications term (DCT)
Telephone Information and Management Systems (ADA)
Telephone Information Management System (SAUS)
Teleprocessing Interface Macro System (SAUS)
Test Information Management System (SAUS)
Test Interactive Management System
Textile Industry Monitoring System (SAUS)
Text Information and Management System - Computer science
TFCC - Tactical Flag Command Center Information Management System - Military technology (DDF)
Thaad Information Management System
Theater Information Management System (SAUS)
The Information Management System (SAUS)
Theoretical Indicative Margin System (NUMA)
Thermal Image Management System (ACAE)
Thermal Imaging Spectrometer (SAUS)
Thermal Infrared Mapping Spectrometer (SSD)
Thermal Infrared Multispectral Scanner - Airborne instrument for geological applications
Thermal Ionization Mass Spectrometry
Thermal Ionization Mass Spectroscopy (SAUS)
Therms Infrared Multispectral Scanner (GIS)
Total Ion Measurement Source
Traffic and Incident Management System
Transmission Impairment Measuring Set - Telecommunications (TEL)
Transmission Impairment Measuring System (IAA)
Trident Integrating Multiplexing Subsystem (ACAE)
Trust for Investments in Mortgages (MHDW)
Tuberculosis Information Management System (SAUS)