- AGTI stands for Associateship of Government Technical Institute (Singapore)
- AGTI stands for Association of Geography Teachers of Ireland (est. 1961)
- AGTI stands for Advanced Gaming Technology Inc. (Canada)
- AGTI stands for Animas Geographic Technology Inc. (Durango, CO)
- AGTI stands for Alpha-Gamma Technologies, Inc. (est. 1990; Raleigh, NC)
- AGTI stands for Applied Gene Technologies, Inc. (biotechnology; Germantown, MD)
AGTI