U.S. Users, by state

Alabama, 2; Arizona, 18; California, 138; Colorado, 9; Connecticut, 13; Florida, 34; Georgia, 3; Hawaii, 7; Illinois, 431; Indiana, 54; Iowa, 17; Kansas, 15; Louisiana, 12; Maryland, 25; Massachusetts, 83; Michigan, 74; Minnesota, 16; Nebraska, 4; New Jersey, 26; New Mexico, 40; New York, 150; North Carolina, 22; Ohio, 11; Oklahoma, 10; Oregon, 4; Pennsylvania, 53; Puerto Rico, 6; Rhode Island, 14; South Carolina, 6; Tennessee, 13; Texas, 50; Virginia, 19; Washington, 11; Wisconsin, 17.

Top Ten U.S. Institutions (other than Fermilab, 286)

University of Rochester 48

University of Michigan (Ann Arbor) 45

Lawrence Berkeley National Laboratory 43

SUNY, Stony Brook 36

University of Chicago 34

Argonne National Laboratory 29

University of Illinois (Champaign) 28

UCLA 28

Michigan State University 28

University of Pennsylvania 27