| 100% | AHL | 3 | Developmental org. with teams in Canada and the U.S. |
| 58% | NBA | 3 | Sports org. with 29 teams in the United States and one in Canada |
| 52% | LTD | 3 | Counterpart of Inc., in Canada and the U.K. |
| 51% | ERIE | 4 | Great Lake in Canada and the US near Niagara Falls |
| 50% | CREE | 4 | Native Americans in Canada and the northern US |
| 47% | NFL | 3 | Org. with the five most-watched telecasts in the history of U.S. television |
| 46% | PARALLEL | 8 | In 1818, Canada and the US agreed to the 49th __ |
| 45% | NHL | 3 | Org. with seven teams in Canada |
| 44% | WNBA | 4 | Sports org. with the teams Sun and Sky |
| 44% | XFL | 3 | Former sports org. with the teams Hitmen and Rage |
| 43% | RCTS | 4 | Org. with 3000 members and a monthly magazine, formed in the UK in '28, that's for those interested in locomotives |
| 43% | NIAGARA | 7 | Among the biggest waterfalls in US and Canada |
| 43% | OAS | 3 | The U.S. and Can. are in it |
| 43% | MIKEKRZYZEWSKI | 14 | Duke University basketball coach who led the US men's basketball team to Olympic gold in 2008, 2012, and 2016: 2 wds. |
| 43% | NORAD | 5 | Military org. run jointly by the U.S. and Canada |
| 43% | DOLLAR | 6 | Currency in the US, Canada, and Australia |
| 42% | TRINITYRODMAN | 13 | US Women's national soccer team member whose father, Dennis, won 5 NBA championships with the Pistons and Bulls: 2 wds. |
| 42% | ATWAR | 5 | Like the U.S. and Spain in 1898 |
| 42% | SCOTTJOPLIN | 11 | US pianist and composer associated with the ragtime style who died in 1917 |
| 42% | AARP | 4 | Org. with the largest-circulation magazine in the U.S. |
| 42% | AARP | 4 | Org. with the highest-circulating mag in the U.S. |
| 42% | NIAGARA | 7 | Waterfalls located between Canada and the US |
| 41% | UAW | 3 | American labor union representing workers in the U.S. and Canada: Abbr. |
| 41% | NATO | 4 | Alliance with the US, Canada, and 29 European nations: Abbr. |
| 41% | UNITED | 6 | What the U.S. and U.K. have in common? |
| 41% | MAVS | 4 | Cuban team in the U.S.? |
| 41% | HAMM | 4 | Mia who starred at UNC and the US Women's National Soccer Team |
| 41% | TSA | 3 | Org. with jurisdiction that's up in the air |
| 40% | FAA | 3 | U.S. regulating org. with a wing in its logo |
| 40% | DUEPROCESS | 10 | Heart of the U.S. legal system, with roots in the 19-Across |