| 100% | IRS | 3 | Government agency whose website has "Payments" and "Refunds" sections: Abbr. |
| 82% | IRS | 3 | Government agency whose website has a "Credits and Deductions" section: Abbr. |
| 64% | IRS | 3 | Government agency whose website has a Free File option: Abbr. |
| 60% | IRS | 3 | Federal agency whose website has a "Where's My Refund?" page: Abbr. |
| 51% | IRS | 3 | Government agency whose website includes a "Credits & Deductions" menu: Abbr. |
| 51% | IRS | 3 | Agency whose website has a Tax Withholding Estimator: Abbr. |
| 50% | CDC | 3 | Federal agency whose website has a "Health Topics" page: Abbr. |
| 49% | IRS | 3 | Org. whose website has a "Where's My Refund?" section |
| 49% | AMA | 3 | Professional organization whose website has a "Delivering Care" section: Abbr. |
| 49% | CNN | 3 | Cable channel whose website has a "News and Buzz" section |
| 41% | ACLU | 4 | Organisation whose website has a "Know Your Rights" tab: Abbr. |
| 41% | ACLU | 4 | Organization whose website has a "Know Your Rights" tab: Abbr. |
| 40% | OLAY | 4 | Beauty product brand whose website has a Skinpedia section |
| 40% | ADIDAS | 6 | Brand whose website has a "3 Stripe Life" section |
| 40% | ACLU | 4 | Org. whose website has a "Know Your Rights" section |
| 40% | TSA | 3 | Org. whose website has a "What Can I Bring?" section |
| 39% | FBI | 3 | Government agency whose first director was J. Edgar Hoover: Abbr. |
| 39% | EPA | 3 | Government agency whose logo is a two-leaved flower: Abbr. |
| 39% | IRS | 3 | Government agency with 1099 and W-2 forms: Abbr. |
| 39% | OSHA | 4 | Org. whose website has a "Fall Protection" section |
| 39% | EPA | 3 | Government group that has a Greener Living section on its website: Abbr. |
| 38% | MENS | 4 | ___ Health (magazine whose website has a "Sex & Women" section) |
| 38% | SALEM | 5 | Massachusetts town whose website has a "Modern Witch" section |
| 38% | REI | 3 | Store whose website includes Climb, Cycle, and Snow sections |
| 38% | FDA | 3 | Its website has a Medical Device Safety section: Abbr. |
| 37% | ATF | 3 | Government agency that oversees booze, cigarettes, and guns: Abbr. |
| 37% | PSAT | 4 | Test whose math portion has "calculator" and "no calculator" sections (abbr.) |
| 37% | EPA | 3 | Org. whose website has a Climate Change section |
| 36% | USDA | 4 | Government agency that operates the Food and Nutrition Service: Abbr. |
| 36% | EPA | 3 | Government organization with a Climate Change section of its website: Abbr. |