| CountOfUser ID | Full institution name |
| 726 | Harvard |
| 598 | University of Wisconsin-Madison |
| 592 | UC Berkeley |
| 512 | Ohio State University at Columbus |
| 486 | Purdue University |
| 485 | MIT |
| 477 | University of Michigan |
| 467 | University of Illinois at Urbana-Champaign |
| 461 | University of Pennsylvania |
| 443 | University of Minnesota |
| 421 | Indiana University |
| 397 | University of Pittsburgh |
| 396 | Pennsylvania State University |
| 383 | University of Illinois at Chicago |
| 373 | University of Toronto |
| 370 | University of Texas - Austin |
| 369 | Iowa State University |
| 361 | University of Alberta |
| 339 | Yale University |
| 338 | University of Rochester |
| 332 | Columbia University |
| 321 | Texas A&M University |
| 320 | Stanford University |
| 292 | SUNY Stony Brook |
| 286 | Northwestern University |
| 273 | Florida State University |
| 269 | University of Kentucky |
| 248 | University of Chicago |
| 245 | Michigan State University |
| 241 | Georgia Tech |
| 240 | Duke University |
| 227 | UC San Diego |
| 214 | University of Virginia |
| 212 | Johns Hopkins University |
| 205 | SUNY Buffalo |
| 200 | Wayne State University |
| 196 | North Carolina State |
| 159 | University of Washington |
| 155 | University of Calgary |
| 152 | University of Western Ontario |
| 148 | University of Illinois at Urbana/Champaign (old CrossfirePlusReactions login) |
| 131 | University of North Carolina at Chapel Hill |
| 123 | Vanderbilt |
| 117 | University of Connecticut |
| 108 | Washington University |
| 100 | New York University |
| 96 | Simon Fraser University |
| 92 | Pennsylvania State University (old CrossfirePlusReactions login) |
| 91 | University of Massachusetts |
| 85 | Montana State University |
| 71 | Kent State |
| 70 | Georgetown University |
| 70 | University of Wisconsin-System /Center campuses (old CrossfirePlusReactions login) |
| 65 | Case Western University |
| 58 | Purdue University (old CrossfirePlusReactions login) |
| 48 | University of Iowa |
| 39 | University of Connecticut (evaluation login) |
| 39 | University of Saskatchewan |
| 38 | Wayne State University (old CrossfirePlusReactions login) |
| 38 | Michigan State University (old CrossfirePlusReactions login) |
| 35 | Worcester Polytechnic Institute |
| 35 | Iowa State University (old CrossfirePlusReactions login) |
| 32 | Northeast Louisiana University |
| 31 | University of Chicago (old CrossfirePlusReactions login) |
| 29 | University of Wisconsin-Madison (old CrossfirePlusReactions login) |
| 27 | University of Cinncinnati |
| 24 | University of Michigan (old CrossfirePlusReactions login) |
| 23 | Ohio State University at Columbus (old CrossfirePlusReactions login) |
| 22 | Washington University (evaluation login) |
| 20 | University of Waterloo |
| 17 | Wayne State University (old vanilla Crossfire login) |
| 12 | George Mason University |
| 5 | University of Wisconsin-System/Center campuses |
| 4 | Mercer University |
| 3 | North Dakota University |
| 3 | University of New Brunswick |
| 3 | University of Illinois at Chicago (old vanilla Crossfire login) |
| 2 | University of Rochester (Evaluation login) |
| 1 | Virginia Tech |
| 1 | Purdue University (old vanilla Crossfire login) |