| 1 | Harvard Library | 1638 |
| 2 | Yale College | 1701 |
| 3 | Sotheby's | 1744 |
| 4 | Universidade de Princeton | 1746 |
| 5 | Mount Vernon | 1754 |
| 6 | Escola de Medicina Perelman da Universidade da Pensilvânia | 1765 |
| 7 | Columbia University Vagelos College of Physicians and Surgeons | 1767 |
| 8 | Escola de Medicina Harvard | 1782 |
| 9 | Dickinson College | 1783 |
| 10 | Bank of America | 1784 |
| 11 | Universidade da Geórgia | 1785 |
| 12 | Williams College | 1793 |
| 13 | Bowdoin College | 1794 |
| 14 | Universidade do Tennessee | 1794 |
| 15 | Valid | 1795 |
| 16 | Universidade de Louisville | 1798 |
| 17 | Universidade da Carolina do Sul | 1801 |
| 18 | John Wiley & Sons | 1807 |
| 19 | Biblica | 1809 |
| 20 | The Hartford | 1810 |
| 21 | Yale School of Medicine | 1810 |
| 22 | Warner Chappell Music | 1811 |
| 23 | Sociedade Antiquária Americana | 1812 |
| 24 | Harvard Divinity School | 1816 |
| 25 | Remington Arms | 1816 |
| 26 | Harper | 1817 |
| 27 | Brooks Brothers | 1818 |
| 28 | Faculdade de Direito da Universidade da Virgínia | 1819 |
| 29 | Norwich University | 1819 |
| 30 | Universidade de Cincinnati | 1819 |
| 31 | Universidade de Indiana | 1820 |
| 32 | Universidade de Indiana | 1820 |
| 33 | Universidade George Washington | 1821 |
| 34 | Trinity College | 1823 |
| 35 | Blair House | 1824 |
| 36 | KeyBank | 1825 |
| 37 | Lafayette College | 1826 |
| 38 | Yuengling | 1829 |
| 39 | Universidade de Nova Iorque | 1831 |
| 40 | Universidade do Alabama | 1831 |
| 41 | Mercer University | 1833 |
| 42 | Oberlin College | 1833 |
| 43 | Currier and Ives | 1835 |
| 44 | Marshall University | 1837 |
| 45 | Mount Holyoke College | 1837 |
| 46 | Universidade DePauw | 1837 |
| 47 | Universidade Duke | 1838 |
| 48 | Framingham State University | 1839 |
| 49 | Loras College | 1839 |
| 50 | The Citadel | 1842 |
| 51 | Universidade Bucknell | 1846 |
| 52 | Universidade de Buffalo | 1846 |
| 53 | City College of New York | 1847 |
| 54 | Universidade de Iowa | 1847 |
| 55 | Universidade de Lawrence | 1847 |
| 56 | Willard InterContinental Washington | 1847 |
| 57 | Chicago Board of Trade | 1848 |
| 58 | Fort Bliss | 1849 |
| 59 | Union Iron Works | 1849 |
| 60 | American Express | 1850 |
| 61 | Folgers | 1850 |
| 62 | U.S. Bancorp | 1850 |
| 63 | Universidade de Rochester | 1850 |
| 64 | Woman's Medical College of Pennsylvania | 1850 |
| 65 | Corning Inc. | 1851 |
| 66 | Massachusetts Mutual Life Insurance Company | 1851 |
| 67 | Sociedade Geográfica Americana | 1851 |
| 68 | Universidade Northwestern | 1851 |
| 69 | Anheuser-Busch | 1852 |
| 70 | Loyola University Maryland | 1852 |
| 71 | Smith & Wesson | 1852 |
| 72 | Sociedade Americana de Engenheiros Civis | 1852 |
| 73 | Studebaker | 1852 |
| 74 | Universidade Tufts | 1852 |
| 75 | Aetna | 1853 |
| 76 | Bausch & Lomb | 1853 |
| 77 | California Academy of Sciences | 1853 |
| 78 | Levi Strauss & Co. | 1853 |
| 79 | Universidade Lincoln | 1854 |
| 80 | University of Evansville | 1854 |
| 81 | Bates College | 1855 |
| 82 | Colt's Manufacturing Company | 1855 |
| 83 | The College of New Jersey | 1855 |
| 84 | Niagara University | 1856 |
| 85 | Universidade de Maryland | 1856 |
| 86 | Bethlehem Steel | 1857 |
| 87 | Instituto Peabody | 1857 |
| 88 | The Atlantic | 1857 |
| 89 | The McClatchy Company | 1857 |
| 90 | Universidade Estadual de San José | 1857 |
| 91 | Johns-Manville | 1858 |
| 92 | The Greenbrier | 1858 |
| 93 | Brink's | 1859 |
| 94 | Universidade de Valparaíso | 1859 |
| 95 | Bard College | 1860 |
| 96 | Milton Bradley Company | 1860 |
| 97 | New York Medical College | 1860 |
| 98 | Pony Express | 1860 |
| 99 | Universidade do Estado da Luisiana | 1860 |
| 100 | Universidade Chapman | 1861 |