2016 Survey of Earned Doctorates: 11 universities graduated 20% of the Ph.D. chemists

Via the 2016 Survey of Earned Doctorates, a compilation of all the Ph.D. granting schools in chemistry in 2017. Of these, 11 schools generated 19.4% of the 2,704 Ph.D. graduates: 

U. Michigan, Ann Arbor: 59
U. California, Berkeley: 56
Purdue U., West Lafayette: 51
U. Wisconsin-Madison: 51
U. Illinois, Urbana-Champaign: 50
U. Florida: 49
Massachusetts Institute of Technology: 47
Northwestern U.: 41
U. Minnesota, Twin Cities: 41
Princeton U.: 41
U. California, Irvine: 39

Of these, the top 5 schools (by volume) make 9.9% of the graduates.