| 1 | Harvard College | 1636 |
| 2 | Harvard Library | 1638 |
| 3 | McCormick Company | 1669 |
| 4 | St. John's College | 1696 |
| 5 | Biblioteca de la Universidad de Yale | 1701 |
| 6 | Universidad Yale | 1701 |
| 7 | Moravian University | 1742 |
| 8 | Sotheby's | 1744 |
| 9 | Universidad Washington y Lee | 1749 |
| 10 | Columbia College | 1754 |
| 11 | Columbia University College of Physicians and Surgeons | 1767 |
| 12 | College of Charleston | 1770 |
| 13 | Dickinson College | 1783 |
| 14 | Bank of America | 1784 |
| 15 | Universidad de Pittsburgh | 1787 |
| 16 | Universidad de Hamilton | 1793 |
| 17 | Compañía Estadounidense de Billetes | 1795 |
| 18 | Middlebury College | 1800 |
| 19 | Universidad de Carolina del Sur | 1801 |
| 20 | Colgate-Palmolive | 1806 |
| 21 | Biblica | 1809 |
| 22 | Facultad de Medicina de Yale | 1810 |
| 23 | Academia de Ciencias Naturales de la Universidad Drexel | 1812 |
| 24 | American Antiquarian Society | 1812 |
| 25 | E. Remington and Sons | 1816 |
| 26 | Escuela de Teología Harvard | 1816 |
| 27 | Remington Arms | 1816 |
| 28 | Black Ball Line | 1817 |
| 29 | Harper | 1817 |
| 30 | Bunge Limited | 1818 |
| 31 | Centre College | 1819 |
| 32 | Facultad de Derecho de la Universidad de Virginia | 1819 |
| 33 | Universidad Colgate | 1819 |
| 34 | Universidad de Cincinnati | 1819 |
| 35 | Universidad de Norwich | 1819 |
| 36 | Universidad de Indiana | 1820 |
| 37 | Amherst College | 1821 |
| 38 | Trinity College | 1823 |
| 39 | Blair House | 1824 |
| 40 | Escuela de Derecho Yale | 1824 |
| 41 | Universidad Thomas Jefferson | 1824 |
| 42 | Baldwin Locomotive Works | 1825 |
| 43 | Universidad Furman | 1826 |
| 44 | Yuengling | 1829 |
| 45 | Universidad de Richmond | 1830 |
| 46 | William Cramp & Sons | 1830 |
| 47 | Universidad Denison | 1831 |
| 48 | Universidad Wesleyana | 1831 |
| 49 | Haverford College | 1833 |
| 50 | Oberlin College | 1833 |
| 51 | Ferrocarril de Long Island | 1834 |
| 52 | Currier & Ives | 1835 |
| 53 | Biblioteca Nacional de Medicina | 1836 |
| 54 | Sistema de Escuelas Públicas del Condado de Mobile | 1836 |
| 55 | Invicta Watch Group | 1837 |
| 56 | Little, Brown and Company | 1837 |
| 57 | Universidad DePauw | 1837 |
| 58 | Universidad Marshall | 1837 |
| 59 | Universidad Duke | 1838 |
| 60 | Berkshire Hathaway | 1839 |
| 61 | Dodd, Mead and Company | 1839 |
| 62 | Instituto militar de Virginia | 1839 |
| 63 | Loras College | 1839 |
| 64 | Universidad Southwestern | 1840 |
| 65 | Dun & Bradstreet | 1841 |
| 66 | Punahou School | 1841 |
| 67 | Universidad de Samford | 1841 |
| 68 | American Oriental Society | 1842 |
| 69 | The Citadel | 1842 |
| 70 | Stanley Black & Decker | 1843 |
| 71 | Universidad de Albany | 1844 |
| 72 | Brunswick Corporation | 1845 |
| 73 | Lycoming | 1845 |
| 74 | Universidad Baylor | 1845 |
| 75 | Church & Dwight | 1846 |
| 76 | Grinnell College | 1846 |
| 77 | Universidad de Búfalo | 1846 |
| 78 | Universidad Lawrence | 1847 |
| 79 | Universidad de Misisipi | 1848 |
| 80 | Universidad de Wisconsin-Madison | 1848 |
| 81 | Comerica | 1849 |
| 82 | Union Iron Works | 1849 |
| 83 | Boston Athenæum | 1850 |
| 84 | U.S. Bancorp | 1850 |
| 85 | Universidad de Dayton | 1850 |
| 86 | Universidad de Rochester | 1850 |
| 87 | Universidad de Utah | 1850 |
| 88 | Waltham Watch Company | 1850 |
| 89 | Woman's Medical College of Pennsylvania | 1850 |
| 90 | American Geographical Society | 1851 |
| 91 | Ferrocarril Central de Illinois | 1851 |
| 92 | MassMutual | 1851 |
| 93 | Northeastern State University | 1851 |
| 94 | Singer Corporation | 1851 |
| 95 | Universidad Estatal de Florida | 1851 |
| 96 | Universidad de Santa Clara | 1851 |
| 97 | Sociedad Estadounidense de Ingenieros Civiles | 1852 |
| 98 | Bausch & Lomb | 1853 |
| 99 | The Travelers Companies | 1853 |
| 100 | Universidad Washington en San Luis | 1853 |