| 100% | SITU | 4 | In __: as found |
| 89% | SITU | 4 | In ___ (as found) |
| 89% | SITU | 4 | In — (as found) |
| 89% | SITU | 4 | In __ (as found) |
| 88% | STRUCK | 6 | Found in abundance, as oil |
| 87% | ANION | 5 | Bit of chloride, as found in the body |
| 85% | INVASIVESPECIES | 15 | Nonnative organisms, as found seven times in this puzzle |
| 83% | SITU | 4 | As found, after "in" |
| 83% | LOST | 4 | Beyond finding, as in at sea |
| 82% | BACKUPPLAN | 10 | Contingency strategy ... as found in eight long answers in this puzzle? |
| 82% | ACETIC | 6 | __ acid, found in vinegar, used as solvent |
| 81% | SEGA | 4 | Company founded in 1940 as Standard Games |
| 81% | GIFTRETURNS | 11 | Post-Christmas take-backs, as found in 17-, 26- and 41-Across |
| 80% | FERRARI | 7 | Company founded in 1939 as Auto Avio Costruzioni |
| 78% | SUCRE | 5 | World capital, founded in 1538, formerly known as Chuquisaca |
| 78% | SNAPON | 6 | Wisconsin manufacturer founded as a wrench company in 1920 |
| 77% | SILICA | 6 | Oxide found in quartz and used as a flow agent |
| 77% | CITRIC | 6 | — acid, substance found in many fruits used as a flavouring |
| 76% | ITT | 3 | U.S. manufacturer founded as a communications co. in 1920 |
| 76% | PTA | 3 | Org. founded in 1897 as the National Congress of Mothers |
| 75% | OUST | 4 | Overthrow, as a ruler, that can be aptly found in "joust" |
| 75% | MISSTEENUSA | 11 | Beauty pageant founded in 1959 as a mail-in photo contest |
| 75% | IBM | 3 | Tech giant founded in 1911 as the Computing-Tabulating-Recording Company |
| 74% | CHERT | 5 | Type of rock that siliceous Novaculite is, as found in the Marathon Uplift area of Texas |
| 74% | SHELL | 5 | Souvenir found in the sand that one may collect as a hobby |
| 74% | BLUESTONE | 9 | Variety of basalt found in Victoria, Australia, used as a building stone |
| 73% | NCR | 3 | ATM company founded as a cash register manufacturer in Dayton in 1884 |
| 73% | EAGLES | 6 | Philadelphia ___ Cheerleaders, NFL cheer squad which was founded in 1948 as Eaglettes |
| 73% | TOTTENHAM | 9 | 29-Across team founded in 1882 that's also known as Spurs |