| Company | Year(s) | 
| 
 | 
| HAMILTON INSIGNIAATTN: Kimberly Schooley
 930 Town Center Drive Suite G50
 Langhorne, PA 19047
 1-800-786-5890
 kschooley@hamiltonjewlers.com
 | 1909, 1910, 1913, 1916, 1922–1924, 1930–1933, 1935-1936, 1938–1942, 1956 (also miniatures for Classes 1922–1924, 1930–1936, 1938–1947, 1949, 1951–1959) | 
| 
 | 
| TIFFANY & CO.ATTN: Abbie Shoobs
 2 E 57th Street
 New York, NY 10022
 212.605.4504
 212.605.4029 (fax)
 abbie.shoobs@tiffany.com
 
 | 1920, 1921, 1927, 1931, 1932, 1935, 1936, 1937, 1940-1942, Jan 1943, 1951 (Rings for the classes of 1925, 1926, 1928-1930, 1933, 1934, 1938 and 1939 were also made, but molds are no longer available to make copies.) Minatures are available for 1920, 1928, 1935, 1936 and 1938. | 
| 
 | 
| CALDWELL | 1924 | 
| 
 | 
| HERFF JONES(Merged with DIEGES & CLUST)
 ATTN: Robert Vaz
 150 Herff Jones Way
 Warwick, RI 02888
 800.451.3304
 (0186 ext.)
 rmvaz@herffjones.com
 | 1957, 1959, 1967, 1974, 1978, 1980, 1983, 1987, 1990–1994, 1998, 2001, 2002, 2008, 2019, 2022, 2023 (also miniatures for Classes 1957, 1959, 1967, 1974, 1978, 1980, 1983, 1987, 1990–1994, 1998, 2001, 2002, and 2008, and accessory items for all of the classes listed). | 
| 
 | 
| JOSTENS, INC.ATTN: Sara Deming
 College-University Business Unit
 148 E. Broadway
 Owatonna, MN 55060
 800.603.0925
 (ask for Mary Knutson or Dawn Braaten)
 507.455.6174 (fax)
 aps@jostens.com
 | 1949, 1972, 1973, 1989, 1995–1997, 2000, 2007, 2009, 2015, 2016, 2017, 2018 (also miniatures for Classes 1995–1997, 2000) | 
| 
 | 
| L. G. BALFOURATTN: Jayne Roland or Lisa Swatek
 P.O. Box 259
 431 Kinderkamack Road
 Oradell, NJ 07649
 201.262.8800
 201.262.2550 (fax)
 balfourna@optonline.net
   | Jan 1943, Jun 1943, 1944–1948, 1950–1956, 1958, 1960–1966, 1968–1971, 1975–1977,1979, 1981, 1982, 1984–1986, 1988, 1999, 2003, 2004, 2005, 2006, 2010-2014, 2020, 2021 (also miniatures for the Classes of 1943 up to and including the Class of 1990, 2003-2006 & 2010-2013. A-pins and other jewelry from 1943 through 2013) |