Employer plans run by TIAA

TIAA is the recordkeeper or administrator on the latest annual report of 485 active retirement plans at the large employers on this site, covering 2,109,270 participants. Participants sign in through TIAA's site, tiaa.org, or through their employer's benefits portal.

The 300 largest plans

Employer	Plan	Participants
Hackensack Meridian Health	HMH 401(k) Savings Plan	55,699
NYU Langone Hospitals	NYU Langone Health 403(b) Plan	48,046
University of Rochester	University of Rochester Retirement Program	47,731
Johns Hopkins University Office of Benefits Services	Johns Hopkins University 403(b) Plan	40,900
Washington University in ST. Louis	Washington University Retirement Savings Plan	40,001
Univ. of Penn	University of Pennsylvania Basic Plan	38,449
Univ. of Penn	The University of Pennsylvania Matching Plan	35,700
Memorial Sloan Kettering Cancer Center	Memorial Sloan Kettering Cancer Center Retirement Savings Plan	35,063
Univ. of Penn	Supplemental Retirement Annuity Plan of the University of Pennsylvania	34,247
The Children'S Hospital of Philadelphia	The Children'S Hospital of Philadelphia Retirement Savings Plan	32,162
Nationwide Children'S Hospital, Inc.	Nationwide Children'S Hospital Defined Contribution Plan	25,761
Yale University	Yale University Retirement Account Plan	25,753
The Children'S Hospital of Philadelphia	The Children'S Hospital of Philadelphia Funded Retirement Savings Plan	25,422
Northwestern University	Northwestern University Retirement Plan	25,018
Yale University	Yale University Tax-Deferred 403(b) Savings Plan	24,635
Hackensack Meridian Health	Consolidated 403(b) Plan of Hackensack Meridian Health	24,634
New York University	New York University Retirement Plan for Members of the Faculty, Professional Research Staff and Administration	23,961
Nysarc, Inc.	The Arc New York Affiliated Employers 403(b) Plan	23,081
California Institute of Technology	Caltech Base Retirement Plan	22,143
Research Foundation of the City University of New York	Research Foundation of the City University of New York Defined Contribution Retirement Plan	21,778
Boston Medical Center	Boston Medical Center 403(b) Retirement Plan	21,595
Penn State Health	Penn State Health Tax Sheltered Annuity Program	20,970
Temple University Health System Inc	Temple University Health System, Inc. 403(b) Plan	20,513
New York University	NYU Grossman School of Medicine Management and Staff 403(b) Retirement Plan	20,091
Northwestern University	Northwestern University Voluntary Savings Plan	19,704
Georgetown University	Georgetown University Voluntary Contribution Retirement Plan	18,822
The University of Chicago	The University of Chicago Retirement Income Plan	18,531
Cornell University	Cornell University Tax-Deferred Annuity Plan	18,403
Princeton University	Princeton University Retirement Plan	17,931
Drexel University	Drexel University Defined Contribution Retirement Plan	17,851
The Research Foundation for the State University of New York	The Research Foundation for the State University of New York Retirement Plan	17,307
Temple University Health System Inc	Temple University Health System, Inc. Defined Contribution Retirement Plan	17,296
New York University	New York University Supplemental Tax Deferred Annuity Plan	16,871
Cornell University	Weill Cornell Medical College Tax Deferred Annuity Plan	16,435
Nysarc, Inc.	The Arc New York Affiliated Employers 401(k) Plan	15,783
Princeton University	Princeton University Retirement Savings Plan	15,468
Northeastern University	Northeastern University Retirement Plan	14,950
The University of Chicago Medical Center	The University of Chicago Medical Center Retirement Income Plan for Employees	14,077
The University of Chicago Medical Center	The University of Chicago Medical Center Supplemental Retirement Annuity Plan	14,004
Dana-Farber Cancer Institute, Inc.	Dana-Farber Cancer Institute Tax Deferred Annuity Plan	13,499
The University of Chicago	The University of Chicago Supplemental Retirement Plan	13,359
Howard Hughes Medical Institute	Howard Hughes Medical Institute Retirement Savings Plan	13,330
Georgetown University	Georgetown University Defined Contribution Retirement Plan	13,202
Syracuse University	Syracuse University Noncontributory Retirement Plan	12,898
Children'S Hospital of Chicago Medical Center	Ann & Robert H. Lurie Children'S Hospital of Chicago Retirement Savings Plan	12,833
New York University	NYU Grossman School of Medicine Retirement Plan for Members of the Faculty, Professional Research Staff and Administration	12,699
The Childrens Mercy Hospital	Children'S Mercy Hospital Tax-Deferred Annuity Retirement Plan	12,683
Brown University	Brown University Defined Contribution Deferred Vesting Retirement Plan	12,356
ST. Jude Children'S Reseach Hospital	ST. Jude Children'S Research Hospital Defined Contribution Retirement Plan	11,703
California Institute of Technology	Caltech Voluntary Retirement Plan	11,613
Maimonides Medical Center	Maimonides Medical Center Tax Deferred Retirement Plan	11,220
Syracuse University	Syracuse University Voluntary Retirement Plan	11,146
The University of Chicago	The University of Chicago Contributory Retirement Plan	10,931
The Devereux Foundation	Devereux Defined Contribution Retirement Plan	10,904
Hackensack Meridian Health	Consolidated Defined Contribution Plan of Hackensack Meridian Health	10,866
Cornell University	Weill Cornell Medical College Retirement Plan for Faculty and Exempt Employees	10,733
Fred Hutchinson Cancer Center	Fred Hutchinson Cancer Center Retirement Savings Plan	10,676
Dana-Farber Cancer Institute, Inc.	Dana-Farber Cancer Institute Retirement Plan	10,251
NYU Langone Hospitals	NYU Langone Hospital-Long Island 403(b) Plan	9,639
University of Denver	University of Denver Retirement Plan	9,517
The Research Foundation for the State University of New York	The Research Foundation for the State University of New York Optional Retirement Plan	9,488
The Administrators of the Tulane Educational Fund	Tulane University Tax Deferral 403(b) Retirement Plan	9,409
The Childrens Mercy Hospital	The Children'S Mercy Hospital Retirement Plan	9,354
The New School	The New School 403(b) Retirement Plan	9,216
University of Alabama Health Services Foundation, PC	University of Alabama Health Services Foundation P.C. 403(b) Retirement Annuity Plan	9,099
Yale University	Yale University Matching Retirement Plan	8,440
Saint Louis University	Saint Louis University 403(b) Annuity Plan	8,362
Nova Southeastern University, Inc.	Nova Southeastern University 401(k) Plan	7,633
The Mary Imogene Bassett Hospital	The Mary Imogene Bassett Hospital Retirement Plan	7,533
National University	National University Retirement Savings Plan	7,455
The Henry M. Jackson Foundation for the Adv of Military Medicine, Inc.	Henry M. Jackson Foundation Defined Contribution Retirement Plan	7,411
Saint Louis University	Saint Louis University Retirement Plan	7,201
Abington Memorial Hospital	Abington Health Defined Contribution Plan	7,182
Embry-Riddle Aeronautical University	Embry-Riddle Aeronautical University Defined Contribution Retirement Plan	6,610
Touro University	Touro 403(b) Plan	6,539
University of la Verne	University of la Verne 403(b) Retirement Savings Plan	6,471
San Diego State University Foundation	San Diego State University Foundation Defined Contribution Retirement Plan	6,374
University of Dayton	University of Dayton Tda Plan	6,345
Altamed Health Services Corporation	Altamed Health Services Corporation 403(b) Plan	6,343
Southwest Research Institute	Southwest Research Institute Retirement Plan	6,060
The Administrators of the Tulane Educational Fund	Tulane University Staff 403(b) Retirement Plan	6,044
Highland Hospital of Rochester	Highland Retirement Plan	5,901
New York University	New York University Retirement Plan for Adjunct Faculty Members	5,663
Sacred Heart University Incorporated	Sacred Heart University Defined Contribution Plan	5,627
Wake Forest University	Wake Forest University Retirement Plan	5,589
Lehigh University	Lehigh University Retirement Plan	5,530
ST. John'S University	ST. John'S University Defined Contribution Retirement Plan	5,445
National Opinion Research Center	Norc, Inc. Retirement Plan	5,383
University of the Pacific	University of the Pacific Defined Contribution Plan	5,276
University of Dayton	University of Dayton Defined Contribution Retirement Plan	5,186
Villanova University	Villanova University Retirement Savings Plan	5,114
University of San Diego	University of San Diego Defined Contribution Retirement Plan	5,108
Butler University	Butler University Retirement Plan	5,017
Long Island University	Long Island University Retirement Plan	4,928
The Charles Stark Draper Laboratory, Inc.	Retirement Plan for Draper Employees	4,860
Uchicago Medicine Network, Inc.	Ingalls Health System Smart Money Retirement Plan	4,853
Sri International	Sri International Basic Retirement Plan	4,771
The Administrators of the Tulane Educational Fund	Tulane University Faculty and Administrative 403(b) Retirement Plan	4,737
New York Blood Center, Inc.	New York Blood Center Retirement Plan	4,556
University Corporation for Atmospheric Research	Ucar Retirement Plan	4,530
Case Western Reserve University	Case Western Reserve University Employees Retirement Plan B	4,482
Peckham, Inc.	Peckham, Inc. 403(b) Tda Plan	4,454
Governing Comm of the Assoc of Ind College and Univ of Ohio Mep	Assoc of Independent Colleges and Universities of Ohio Mep	4,446
Johns Hopkins University Office of Benefits Services	The Johns Hopkins University Income Deferral 403(b) Plan for Residents, Interns and Postdoctoral Fellows	4,429
Univ. of Penn	Retirement Allowance Plan of the University of Pennsylvania	4,160
University of San Francisco	University of San Francisco Defined Contribution Retirement Plan	4,138
Nova Southeastern University, Inc.	Nova Southeastern University 403(b) Plan (F/K/A Nova Southeastern University Defined Contribution Retirement Plan)	4,106
University of San Francisco	University of San Francisco Voluntary Retirement Plan	4,052
Staffco of Brooklyn, LLC	Staffco of Brooklyn, LLC 403(b) Plan	4,010
Azusa Pacific University	Azusa Pacific University Defined Contribution Plan	3,997
Teacher'S College, Columbia University	Teacher'S College, Columbia University DC Retirement Plan	3,905
Duquesne University of the Holy Spirit	Duquesne University 403(b) Defined Contribution Retirement Plan	3,885
Bancroft	Bancroft Defined Contribution Retirement Plan	3,864
The Catholic University of America	The Catholic University of America Retirement Plan	3,854
Saint Joseph'S University	Saint Joseph'S University Retirement Plan	3,825
The Charles Stark Draper Laboratory, Inc.	The Charles Stark Draper Laboratory, Inc. Supplemental Retirement Annuity Plan	3,751
Gonzaga University	Gonzaga University 403(b) Retirement Plan	3,716
Ithaca College	Ithaca College 403(b) Retirement Plan	3,698
Bucknell University	Bucknell University Defined Contribution Retirement Plan	3,671
Bard College	Bard College/Simons Rock 403(b) Plan	3,664
University of Richmond	University of Richmond Defined Contribution Retirement Plan	3,607
Pace University	Pace University Defined Contribution Retirement Plan	3,589
Boston College	The Boston College 401(k) Retirement Plan I	3,562
Vassar College	Vassar College 403(b) Retirement Plan	3,498
The Governing Board of the Mi Independent Colleges and Universities	Michigan Independent Colleges and Universities 403(b) Multiple Employer Plan	3,467
Research Foundation for Mental Hygiene, Inc.	Research Foundation for Mental Hygiene, Inc. Tda and (Frozen) DC Plan	3,327
Loyola University Maryland	Loyola University Maryland Retirement Plan	3,239
Williams College	Williams College Retirement Income Plan	3,236
Millcreek Health System (Lecom Health)	Lecom Health 403(b) DC Plan	3,223
National Academy of Sciences	Nas Primary Retirement Plan	3,209
National Opinion Research Center	Norc, Inc. Supplemental Retirement Plan	3,166
Sinai Health System	Sinai Health System Retirement Plan	3,135
The University of Tulsa	The University of Tulsa Defined Contribution Retirement Plan	3,129
The President and Fellows of Middlebury College	The Middlebury College Core Retirement Plan	3,096
Webster University	Webster University Defined Contribution Retirement Plan	3,066
Roger Williams University	Roger Williams University Retirement Plan	3,064
Elon University	Elon University Defined Contribution Plan	3,051
National Academy of Sciences	Nas Salary Reduction Contribution Retirement Plan	3,049
Goodwill Industries of Central Florida, Inc.	Goodwill Industries of Central Florida 403(b) Plan	3,037
Seton Hall University	Seton Hall University Retirement Plan	3,014
Sri International	Sri International Retirement Savings Plan	2,994
Worcester Polytechnic Institute	Worcester Polytechnic Institute Defined Contribution Plan	2,981
Xavier University	Xavier University Defined Contribution Retirement Plan	2,953
New York Medical College	New York Medical College Tax-Deferred Annuity Plan	2,849
Institute for Defense Analyses	Institute for Defense Analyses Tax Deferred Annuity Plan	2,843
Midwestern University	Midwestern University Retirement Plan	2,828
Research Foundation for Mental Hygiene, Inc.	Research Foundation for Mental Hygiene, Inc. Defined Contribution Retirement Plan	2,817
Barry University	Barry University 401(k) Plan	2,816
Savannah College of Art and Design	Savannah College of Art and Design Retirement Plan	2,742
Fairleigh Dickinson University	Fairleigh Dickinson University Tax Deferred Annuity Plan	2,619
Lafayette College	Lafayette College Retirement Plan	2,600
Intermediaryed	Act, Inc. Defined Contribution Retirement Plan	2,571
Loyola University New Orleans	Loyola University Retirement Plan	2,569
Columbia College Chicago	Columbia College Chicago Employees' Retirement Plan	2,568
Campbell University	Campbell University Defined Contribution Retirement Plan	2,540
Davenport University	Davenport University Retirement Plan	2,538
The University of Chicago Medical Center	The University of Chicago Medical Center Contributory Retirement Plan	2,533
Oberlin College	Oberlin College Defined Contribution and Tax Deferred Annuity Retirement Plan	2,510
NYU Langone Mso, Inc.	NYU Langone Florida 403(b) Plan	2,448
Mercy University	Mercy University Tax Deferred Annuity Plan	2,434
University of Virginia Physicians Group	Uva Physicians Group Retirement Plan	2,432
University Physicians & Surgeons, Inc.	University Physicians and Surgeons, Inc. Retirement Plan	2,406
Pomona College	Pomona College Academic Retirement Plan	2,401
Peckham, Inc.	Peckham, Inc. Defined Contribution Retirement Plan	2,396
Henry Mayo Newhall Hospital	Henry Mayo Newhall Memorial Hospital & Foundation Retirement Plan	2,382
Wilmington University, Inc.	Wilmington University 403(b) DC Plan	2,381
New York Institute of Technology	New York Institute of Technology Defined Contribution Retirement Plan	2,347
Widener University	Widener University Defined Contribution Retirement Plan	2,338
Quinnipiac University	Quinnipiac University Defined Contribution Retirement Plan	2,337
Fairleigh Dickinson University	Fairleigh Dickinson University Defined Contribution Plan	2,315
Western University of Health Sciences	Western University of Health Sciences 403(b) Plan	2,313
Public Health Institute	Public Health Institute 403(b) Retirement Plan	2,302
The University of Tampa	The University of Tampa Defined Contribution Retirement Plan	2,302
The President and Fellows of Middlebury College	The Middlebury College Voluntary Retirement Plan	2,298
SRC, Inc.	SRC, Inc. 403(b) Retirement Plan	2,297
Denison University	Denison University Retirement Plan	2,297
Lipscomb University	Lipscomb University Defined Contribution Retirement Plan	2,287
Center for Human Development, Inc.	Center for Human Development DC Retirement Plan	2,284
Punahou School	Punahou School Defined Contribution Retirement Plan	2,272
Stetson University	Stetson University Defined Contribution Plan	2,270
National Public Radio, Inc.	National Public Radio, Inc. Retirement Plan	2,269
University Physicians & Surgeons, Inc.	University Physicians & Surgeons, Inc. 401(A) Tiaa-Cref Retirement Plan	2,260
Institute for Defense Analyses	Institute for Defense Analyses Qualified Retirement Plan	2,259
University of Indianapolis	University of Indianapolis Defined Contribution Retirement Plan	2,243
University of Hartford	University of Hartford Defined Contribution and Tax-Deferred Annuity Retirement Plan	2,228
Whitman College	Whitman College Retirement Plan	2,225
Carleton College	Carleton College Defined Contribution Plan	2,218
Fairfield University	Fairfield University Defined Contribution Retirement Plan	2,212
SRC, Inc.	SRC, Inc. Qualified Retirement Plan	2,208
Barnard College	Barnard College 403(b) Plan	2,204
The University of Puget Sound	University of Puget Sound Retirement Savings Plan	2,197
Simmons University	Simmons University Retirement Plan	2,182
NYU Langone Hospitals	Lutheran Medical Center 401(k) Retirement Plan	2,174
Care Plus Bergen, Inc.	401(k) Plan of Care Plus Bergen for Union Employees	2,168
Analytic Services Inc.	Analytic Services Inc. Defined Contribution Retirement Plan	2,160
College of the Holy Cross	College of the Holy Cross 403(b) Defined Contribution & Group Supplemental Retirement Plan	2,152
The Lutheran University Association, Inc.	Valparaiso University Retirement Plan	2,152
ST. Olaf College	ST. Olaf College 403(b) Retirement Plan	2,138
Bloodworks Northwest	Bloodworks Northwest Retirement Plan	2,113
Oak Ridge Associated Universities	Oak Ridge Associated Universities 403(b) Retirement Plan	2,112
Furman University	Furman University Defined Contribution and Tax Deferred Annuity Retirement Plan	2,111
Washington and Lee University	Washington and Lee University Defined Contribution Plan	2,101
La Salle University	La Salle University Defined Contribution and Tax-Deferred Annuity Plan	2,090
Pacific University	Pacific University Section 403(b) Plan	2,070
Connecticut Institute for the Blind	Connecticut Institute for the Blind, Inc. Section 403(b) Plan	2,048
Clark University	Clark University Retirement Plan	2,044
The Fedcap Group, Inc.	The Fedcap Group, Inc. Tax Deferred Annuity Retirement Plan for Building	2,031
Bryn Mawr College	Bryn Mawr College Retirement Plan	2,031
President and Trustees of Bates College	Bates College Money Purchase Pension Plan	2,022
Maryville University of ST. Louis	Maryville University 403(b) Savings Plan	2,021
Endicott College	Endicott College DC Retirement Plan	2,016
National Foundation for the CDC, Inc.	Nat'L Foundation for the Centers for Disease Control/Prevention Inc Defined Contribution Retirement Plan	2,000
Wheaton College	Wheaton College Retirement Plan	1,992
Providence College	Providence College 403(b) Plan	1,980
President and Trustees of Bates College	Bates College 403(b) Retirement Plan	1,975
Trinity University	Trinity University 403(b) Retirement Plan	1,975
Marist College	Marist College Defined Contribution Retirement Plan	1,958
Western New England University	Western New England University Defined Contribution Retirement Plan	1,948
Sunset Park Health Council, Inc.	Sunset Park Health Council 403(b) Plan	1,948
A.T. Still University of Health Sciences	Atsu Employee Retirement Plan	1,915
Merrimack College	Merrimack College 403(b) Retirement Plan	1,911
The Children'S Hospital of Philadelphia	The Children'S Hospital of Philadelphia Retirement Savings Plan for Union-Represented Employees	1,903
Colorado College	Colorado College Retirement Benefit Plan	1,897
Abilene Christian University	Abilene Christian University 403(b) Retirement Plan	1,890
Association of American Medical Colleges	Association of American Medical Colleges Def. Cont. Retirement Plan	1,882
Norwich University	Norwich University Defined Contribution Retirement Plan	1,875
The President & Trustees of Colby College	Colby College Retirement Plan	1,867
Florida Southern College	Florida Southern College Defined Contribution Retirement Plan	1,851
WGBH Educational Foundation	The WGBH Educational Foundation Retirement Plan	1,847
University of Massachusetts Global	University of Massachusetts Global 403(b) Defined Contribution Retirement Plan	1,841
Christian Schools International	Christian Schools International 403(b) Retirement Savings Plan	1,836
Occidental College	Occidental College 403(b) Retirement Plan	1,819
Pratt Institute	Pratt Institute Defined Contribution Retirement Plan	1,802
Fuller Theological Seminary	Fuller Theological Seminary Retirement Plan	1,777
Kenyon College	Kenyon College Defined Contribution and Tax Deferred Annuity Retirement Plan	1,761
North Central College	North Central College Defined Contribution Retirement Plan	1,756
Salk Institute for Biological Studies	The Salk Institute Retirement Plan	1,746
Antioch University	Antioch University Defined Contribution and Tax Deferred Annuity Plan for Administrative Associate , Administrative and Faculty Employees	1,729
Rider University	Rider University Defined Contribution Retirement Plan	1,720
Moravian University	Moravian University Retirement Plan	1,716
Monmouth University, Inc.	Monmouth University Defined Contribution Retirement Plan	1,714
Gettysburg College	Gettysburg College Defined Contribution Retirement Plan	1,697
The College of Wooster	The College of Wooster Defined Contribution Plan	1,694
Arcadia University	Arcadia University Defined Contribution Retirement Plan	1,694
Le Moyne College	Le Moyne College 403(b) Plan	1,688
Gannon University	Gannon University Defined Contribution Plan	1,669
Mountain Park Health Center	Mountain Park Health Center Retirement Plan	1,669
Lewis & Clark College	Lewis & Clark College Defined Contribution Retirement Plan and Tax Deferred Annuity Plan	1,663
University of Redlands	University of Redlands Retirement Plan	1,650
Iona University	Iona University Defined Contribution Retirement Plan	1,631
National Louis University	National Louis University Retirement Plan	1,623
Quinnipiac University	Quinnipiac University Tax Deferred Annuity Plan	1,617
Stevenson University, Inc.	Stevenson University, Inc. Retirement Savings Plan	1,616
Church World Service Inc.	Church World Service Retirement Plan	1,606
University of Evansville	University of Evansville Defined Contribution Retirement Plan	1,605
Russell Sage College	Russell Sage College Defined Contribution Retirement Plan	1,585
Mercy University	Mercy University Retirement Plan	1,583
Lesley University	Lesley University Retirement Plan	1,576
Clarkson University	Clarkson University Pension Plan	1,574
Springfield College	Springfield College Defined Contribution Retirement Plan	1,565
Berea College	Berea College Retirement Plan	1,563
Pacific Lutheran University	Pacific Lutheran University 403(b) Retirement Plan	1,563
The Reed College	Reed College Retirement Plan	1,563
University of Portland	University of Portland Defined Contribution and Tax Deferred Annuity	1,559
ST. Mary'S College	Saint Mary'S College Defined Contribution Retirement Plan	1,549
Southeastern Universities Research Association, Inc. (Sura)	Sura/Jefferson Science Associates 401(k) Plan	1,548
Melmark, Inc.	Melmark, Inc. Retirement Plan	1,545
The Culinary Institute of America	The Culinary Institute of America Defined Contribution Plan	1,537
Safe Horizon, Inc.	Safe Horizon 401(A) Retirement Savings Plan	1,529
Clark Atlanta University	Clark Atlanta University Defined Contribution Retirement Plan	1,529
Wentworth Institute of Technology, Inc.	Wentworth Institute of Technology 403(b) Plan	1,506
Macalester College	Macalester College 403(b) Retirement Plan	1,506
Utica University	Utica University Defined Contribution Retirement Plan	1,503
The Governing Committee of the Palmetto Association of Independent SCH	Palmetto Association of Independent Schools Multiple Employer Plan	1,501
Lurie Children'S Medical Group, Inc	Lurie Children'S Medical Group, Inc. 403(b) Plan	1,494
Safe Horizon, Inc.	Safe Horizon 403(b) Retirement Savings Plan	1,476
Concordia College	Concordia College Retirement Plan	1,476
Georgia Independent College Association, Inc	Gica Multiple Employer Plan	1,476
Morehouse College	Morehouse College Defined Contribution Plan	1,468
Drew University	Drew University Defined Contribution and Tax Deferred Plan	1,453
Phillips Academy	Phillips Academy Retirement Plan	1,436
Hamline University	Hamline University 403(b) Retirement Plan	1,435
California Lutheran University	California Lutheran University Employee Retirement Plan	1,412
Baldwin Wallace University	Baldwin Wallace University Defined Contribution and Tax Deferred Savings	1,410
Canisius University	Canisius University Retirement Plan for Faculty and Staff	1,402
The Highlands at Pittsford	The Highlands Long Term Care Retirement Plan	1,399
Excelsior University	The Excelsior University Retirement Plan	1,388
Joslin Diabetes Center, Inc.	The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan	1,387
Claremont Mckenna College	Claremont Mckenna College Academic Retirement Plan	1,371
Mcdaniel College	Mcdaniel College Defined Contribution Retirement Plan	1,367
Elon University	Elon University Tax Deferred Annuity Plan	1,363
Concurrent Technologies Corporation	Concurrent Technologies Corporation Retirement Savings Plan	1,360
Wagner College	Wagner College Defined Contribution Retirement Plan	1,360
Central Texas College District	Central Texas College Employees' Supplemental Plan and Trust	1,358
American Association for the Advancement of Science	American Association for the Advancement of Science Defined Contribution Plan	1,355
California College of the Arts	California College of the Arts Retirement Plan	1,342
Augsburg University	Augsburg University Defined Contribution Retirement Plan	1,334
Lincoln University of the Commonwealth System of Higher Edu	Lincoln University Defined Contribution Retirement Plan	1,322
Eastern University	Eastern University Defined Contribution Retirement Plan	1,312
Sanford Burnham Prebys Medical Discovery Institute	Sanford Burnham Prebys Medical Discovery Institute Tax Deferred Annuity Plan	1,311

Showing 300 of 485 plans.

What these numbers are

They come from the Form 5500 annual reports each plan files with the Department of Labor, as the plan filed them. A plan year is usually a calendar year.
Participants counts everyone in the plan at year end: current employees, former employees who still have a balance or a pension coming, and retirees or beneficiaries being paid.
The recordkeeper is the service provider whose Schedule C entry says it keeps the plan's records. Small plans do not file Schedule C, so some plans show none.
We cannot see anyone's account. Only the plan or its recordkeeper can tell you your balance.

Sources: U.S. Department of Labor, Form 5500 datasets and PBGC trusteed plans. How we read them.