| 1 | Harvard College | 1636 |
| 2 | Harvard Library | 1638 |
| 3 | The College of William and Mary | 1693 |
| 4 | Biblioteca de la Universidad de Yale | 1701 |
| 5 | Broadwood | 1732 |
| 6 | Universidad Washington y Lee | 1749 |
| 7 | Columbia College | 1754 |
| 8 | Monte Vernon | 1754 |
| 9 | Columbia University College of Physicians and Surgeons | 1767 |
| 10 | Encyclopædia Britannica | 1768 |
| 11 | Universidad Transylvania | 1780 |
| 12 | Banco de Norteamérica | 1781 |
| 13 | Jones Lang LaSalle | 1783 |
| 14 | Bank of America | 1784 |
| 15 | Universidad de Carolina del Norte | 1789 |
| 16 | State Street Corporation | 1792 |
| 17 | Bowdoin College | 1794 |
| 18 | Universidad de Tennessee | 1794 |
| 19 | Universidad de Louisville | 1798 |
| 20 | John Wiley & Sons | 1807 |
| 21 | Miami University | 1809 |
| 22 | The Hartford | 1810 |
| 23 | Warner Chappell Music | 1811 |
| 24 | Seminario Teológico de Princeton | 1812 |
| 25 | Remington Arms | 1816 |
| 26 | Black Ball Line | 1817 |
| 27 | Bunge Limited | 1818 |
| 28 | Centre College | 1819 |
| 29 | Universidad de Cincinnati | 1819 |
| 30 | Universidad de Indiana | 1820 |
| 31 | Universidad de Indiana Bloomington | 1820 |
| 32 | Amherst College | 1821 |
| 33 | Trinity College | 1823 |
| 34 | Universidad Thomas Jefferson | 1824 |
| 35 | KeyBank | 1825 |
| 36 | Yuengling | 1829 |
| 37 | William Cramp & Sons | 1830 |
| 38 | Rogers Locomotive and Machine Works | 1832 |
| 39 | Universidad Tulane de Luisiana | 1834 |
| 40 | Currier & Ives | 1835 |
| 41 | Sistema de Escuelas Públicas del Condado de Mobile | 1836 |
| 42 | Invicta Watch Group | 1837 |
| 43 | Little, Brown and Company | 1837 |
| 44 | Mount Holyoke College | 1837 |
| 45 | Tiffany & Co. | 1837 |
| 46 | Universidad DePauw | 1837 |
| 47 | Dodd, Mead and Company | 1839 |
| 48 | Universidad Wesleyana de Ohio | 1842 |
| 49 | College of the Holy Cross | 1843 |
| 50 | Academia Naval de los Estados Unidos | 1845 |
| 51 | Universidad Baylor | 1845 |
| 52 | Charles Scribner's Sons | 1846 |
| 53 | Grinnell College | 1846 |
| 54 | Universidad Bucknell | 1846 |
| 55 | Universidad de Búfalo | 1846 |
| 56 | City College of New York | 1847 |
| 57 | Hotel Willard | 1847 |
| 58 | Tribune Company | 1847 |
| 59 | Universidad Lawrence | 1847 |
| 60 | Knoedler | 1848 |
| 61 | Sistema Universitario de Wisconsin | 1848 |
| 62 | Universidad de Misisipi | 1848 |
| 63 | Universidad de Wisconsin-Madison | 1848 |
| 64 | Fort Bliss | 1849 |
| 65 | Universidad Estatal de Connecticut Central | 1849 |
| 66 | Universidad de Michigan Oriental | 1849 |
| 67 | Antioch College | 1850 |
| 68 | Boston Athenæum | 1850 |
| 69 | U.S. Bancorp | 1850 |
| 70 | Universidad de Dayton | 1850 |
| 71 | Universidad de Utah | 1850 |
| 72 | Waltham Watch Company | 1850 |
| 73 | Woman's Medical College of Pennsylvania | 1850 |
| 74 | Fruit of the Loom | 1851 |
| 75 | MassMutual | 1851 |
| 76 | Singer Corporation | 1851 |
| 77 | Universidad de Minnesota | 1851 |
| 78 | Universidad del Noroeste | 1851 |
| 79 | Mills College | 1852 |
| 80 | Smith & Wesson | 1852 |
| 81 | Sociedad Estadounidense de Ingenieros Civiles | 1852 |
| 82 | Universidad Tufts | 1852 |
| 83 | Aetna | 1853 |
| 84 | Bausch & Lomb | 1853 |
| 85 | The Travelers Companies | 1853 |
| 86 | Timex | 1854 |
| 87 | Universidad de Evansville | 1854 |
| 88 | Bates College | 1855 |
| 89 | Berea College | 1855 |
| 90 | Kansas Pacific Railway | 1855 |
| 91 | The College of New Jersey | 1855 |
| 92 | Universidad Butler | 1855 |
| 93 | Universidad de San Francisco | 1855 |
| 94 | Ferrocarril de Chicago, Burlington y Quincy | 1856 |
| 95 | M&T Bank | 1856 |
| 96 | Rand McNally | 1856 |
| 97 | Universidad Estatal de Oregón | 1856 |
| 98 | Universidad de St. Lawrence | 1856 |
| 99 | Western Oregon University | 1856 |
| 100 | Northwestern Mutual | 1857 |