| BayCHI | | Local chapter of the ACM Special Interest Group, San Francisco, United States. |
| BuckCHI | | Local chapter of the ACM Special Interest Group, Columbus, Ohio, United States. |
| CapCHI | | Local chapter of the ACM Special Interest Group, Ottawa, Canada. |
| CHI Atlanta | | Local chapter of the ACM Special Interest Group, Georgia, United States. |
| CHI Austin | | Local chapter of the ACM Special Interest Group, Texas, United States. |
| CHI Foo | | Local chapter of the ACM Special Interest Group, Portland, Oregon, United States. |
| CHI Italy | | Local chapter of the ACM Special Interest Group, Pisa, Italy. |
| CHI Los Angeles | | Local chapter of the ACM Special Interest Group, California, United States. |
| CHI Mexico | | Local chapter of the ACM Special Interest Group, Mexico. |
| CHI NZ | | Local chapter of the ACM Special Interest Group, New Zealand. |
| CHI Puget Sound | | Local chapter of the ACM Special Interest Group, Bellevue, Washington, United States. |
| CHI SA | | Local chapter of the ACM Special Interest Group, South Africa. |
| CHI Squared | | Local chapter of the ACM Special Interest Group, Chicago, Illinois, United States. |
| CHIplace | | Online discussions on HCI research issues related to CHI, CSCW, DIS, and other ACM SIGCHI-organized conferences. |
| ConnCHI | | Local chapter of the ACM Special Interest Group, Connecticut, United States. |
| DC-CHI | | Local chapter of the ACM Special Interest Group, Washington, United States. |
| LowellCHI | | Local chapter of the ACM Special Interest Group, University of Massachusetts Lowell, Massachusetts, United States. |
| MilwauCHI | | Local chapter of the ACM Special Interest Group, Milwaukee, Wisconsin , United States. | |
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