401(k) plans in Oak Brook, IL

Ranked by total plan assets reported on each plan's most recent public Form 5500 filing.

#	Plan sponsor	Assets	Participants
1	Trustees Of Ufcw Int'L Union - Industry Pension Fund	$8.2B	204,155
2	Trustees Of Unite Here Health	$1.4B	128,967
3	Ace Hardware Corporation	$1.2B	10,783
4	Board Of Trustees Of Roofers Pension Fund	$529.5M	4,154
5	International Union Of Operating Engineers & Pipe Line Employers H&W F	$444.4M	3,007
6	Athletico, Ltd.	$410.3M	11,886
7	Treehouse Foods, Inc.	$398.0M	5,933
8	The Chamberlain Group Llc	$348.5M	2,576
9	Board Of Trustees-Local 63 Defined Contribution Pension Fund	$338.2M	2,159
10	Hub Group, Inc.	$303.3M	7,922
11	Trustees Of The Ufcw International Union - Industry Variable Annuity P	$300.2M	51,639
12	Board Of Trustees Bricklayers Of Indiana Retirement Plan	$198.2M	3,251
13	Nephrology Associates Of Northern Illinois And Indiana	$188.6M	686
14	The Duchossois Group, Inc.	$186.5M	1,500
15	Treehouse Foods, Inc.	$185.2M	—
16	Winland Foods, Inc.	$182.1M	2,956
17	Trustees Of Local 703, I.B. Of T., Grocery & Food Employees' Pension P	$170.2M	1,498
18	Trustees Of Plumbers & Pipefitters Local 172 Pension Fund	$155.5M	1,068
19	Nd Paper Inc.	$131.2M	836
20	Readerlink Distribution Services, Llc	$122.0M	1,926
21	Trustees Of Roofers Unions Welfare Trust Fund	$112.5M	2,316
22	The Inland Group, Llc	$108.5M	1,477
23	Long Iron Services, Llc	$102.2M	2,031
24	A. M. Castle & Co.	$101.5M	645
25	Plumbing & Pipefitting Industry Retirement Plan Of Kansas	$99.4M	1,816
26	Witt/Kieffer Inc.	$96.8M	433
27	Board Of Trustees-Architectural Ironworkers Local 63 Welfare Fund	$94.4M	1,559
28	Sterigenics U.S., Llc	$86.7M	924
29	L & H Company, Inc.	$84.9M	363
30	Plumbers & Pipefitters Local Union No. 441	$84.2M	1,414
31	Rasmussen, Llc.	$83.6M	1,443
32	National Insurance Crime Bureau	$83.2M	507
33	Radiological Society Of North America	$80.1M	589
34	Board Of Trustees Of Iron Workers Local 395 Annuity Fund	$70.2M	1,033
35	Trstees Mach Mvrs,Riggers&Mach Erec Local 136 Supplemental Retire. Pla	$68.2M	370
36	Board Of Trustees Of Iron Workers Local 395 Trust Fund	$63.2M	1,210
37	Blistex Inc	$62.6M	317
38	Trustees Of Ufcw Int'L Union-Albertsons Variable Annuity Pension	$60.8M	5,995
39	Medix Staffing Solutions, Inc.	$59.7M	3,905
40	Tomy International, Inc.	$54.5M	912
41	The International Association Of Lions Clubs	$53.4M	372
42	Iron Workers Local 8 Welfare Fund	$52.9M	1,380
43	Trstees Mach Mvrs,Riggers&Mach Erec Local 136 Def. Cont. Retire. Fund	$46.2M	931
44	Collegis, Llc	$44.1M	580
45	Union Partners I Llc	$42.5M	652
46	Local 212, Ibew Health & Welfare Trust Fund	$40.1M	1,620
47	Trustees Midwestern Teamsters Pension Trust Fund	$39.6M	579
48	Painters Union Local #1052 Pension Trust Fund Trustees	$39.0M	582
49	Odyssey Holdings Ltd.	$36.6M	632
50	Element 78 Partners, Llc	$36.3M	481
51	Trustees Of The Iron Workers Local 498 Defined Benefit Plan	$34.3M	549
52	Radiation Oncology Consultants, Ltd.	$32.7M	34
53	Ironworkers 340 Retirement Plan	$32.5M	819
54	Nav Consulting, Inc.	$31.3M	59
55	Krusinski Contruction Company	$31.2M	66
56	Suburban Radiologists, S.C.	$30.6M	25
57	Ace Hardware Corporation	$30.1M	8,904
58	Mip, Llc	$28.8M	41
59	Burwood Group, Inc.	$28.0M	266
60	Plumbers & Pipefitters Ind Health Health And Welfare Fund Of Kansas	$27.6M	1,414
61	Portillo'S Hot Dogs, Llc	$27.5M	9,757
62	Ascent Industries Co.	$27.1M	386
63	Roofers Local No. 88 Pension Fund Board Of Trustees	$24.2M	479
64	Long Iron Services, Llc	$23.7M	668
65	Jfm Enterprises, Inc.	$23.3M	70
66	Trustees Of Plumbers & Pipefitters Local 172 Welfare Fund	$22.2M	803
67	Ace Wholesale Holdings Llc	$20.0M	318
68	Behrooz Eshaghy, M.D., S.C.	$18.9M	2
69	Iron Workers Regional Health & Welfare Trust	$18.2M	942
70	Pbc Advisors, Llc	$17.5M	50
71	Radiology Consultants Of Rockford, Ltd.	$16.6M	12
72	Trustees Of Local 743 Ib Of T	$16.1M	3,039
73	Petham P. Muthuswamy, M.D., S.C.	$15.5M	5
74	Crestline Denali Capital, L.P.	$15.0M	37
75	Board Of Trustees - Iron Workers Welfare Fund	$14.8M	729
76	Mutual Trust Life Insurance Company, A Pan-American Life Insurance Gro	$14.5M	—
77	Thunderbird, Llc	$14.4M	816
78	Launch Management Services, Llc	$14.1M	1,109
79	Board Of Trustees Of Plumbers And Pipefitters Local Union 172	$13.9M	478
80	Huizenga Capital Management, Llc	$13.5M	24
81	Insite Real Estate, L.L.C.	$13.3M	84
82	Bancorp Financial, Inc.	$13.2M	223
83	Pba Holding Group, Inc.	$13.1M	119
84	Inland Real Estate Corporation	$13.0M	183
85	Herman Agency, Inc.	$12.7M	8
86	Development Solutions, Inc.	$12.7M	93
87	Advance Inpatient Medicine Llc	$12.7M	51
88	Wayne W. Haack & Co., P.C.	$12.6M	9
89	M&M Representatives, Inc.	$12.2M	5
90	Windy City Representatives, Llc	$11.5M	144
91	Industrial/Organizational Soluti	$10.4M	83
92	Novipax Buyer, Llc	$10.1M	684
93	Power & Cronin, Ltd.	$9.9M	32
94	Professional Wealth Management, Inc.	$9.8M	4
95	Midtown Physicians, S.C.	$9.5M	11
96	Southern Ohio Painters Health & Welfare Fund	$9.0M	835
97	Illinois Phlebology Associates, S.C.	$8.8M	45
98	Geode Health	$8.7M	631
99	Risetime, Inc.	$8.3M	40
100	Primary Energy Recycling Holding	$8.2M	31
101	Jvm Realty Corporation	$7.9M	362
102	Illiana Nephrology Associates	$7.9M	6
103	Suburban Mailing Services, Inc.	$7.4M	28
104	Sassetti, Llc	$7.4M	84
105	Ovm Services Llc	$7.3M	232
106	Taylor Precision Products, Inc.	$7.0M	98
107	Falcon Insurance Group	$7.0M	—
108	Marketing Concepts Group	$6.9M	14
109	Kensington International, Inc.	$6.8M	27
110	Surgical, Ltd.	$6.8M	7
111	Rock Island Capital, Llc	$6.8M	13
112	Benefits Management Group, Inc.	$6.7M	69
113	Trustees Of The Unite Here Legal Plan	$6.6M	8,339
114	Bd Trustees Pn Tr Estate Local 473	$6.6M	960
115	Briefing.Com, Inc.	$6.6M	30
116	Independence Plus, Inc.	$6.5M	294
117	Crossroads Rmc, Llc	$6.5M	32
118	Chicago Oakbrook Financial Group, Inc.	$6.5M	26
119	Cofg Advisors, Llc	$6.4M	22
120	Cybertech Systems And Software, Inc .	$6.2M	44
121	Piyush C Buch Mdpc	$5.9M	3
122	Lillig & Thorsness, Ltd.	$5.9M	24
123	K2N Crest	$5.9M	21
124	Quantum Polymers, Inc.	$5.8M	43
125	Chr Employees, Llc	$5.8M	416
126	Thomas Engineering Group	$5.8M	58
127	Butler National Golf Club	$5.8M	30
128	Peoria-Tazewell Pathology Group, S.C.	$5.7M	24
129	Paper Pak Industries	$5.6M	146
130	Continental Community Holdings, Llc	$5.5M	80
131	Fbk Management Inc.	$5.5M	39
132	Ad/Solutions Group, Inc.	$5.4M	5
133	Machinery Movers, Riggers & Mach. Erect Local 136 Health & Welfare Fun	$5.3M	174
134	Midwest Neoped Associates, Ltd.	$5.3M	31
135	Mclean Wealth Management Group	$5.1M	8
136	Heniff Transportation Holdings, Llc	$5.0M	571
137	Riordan & Scully Insurance Service, Llc	$5.0M	14
138	Jewelcor Management And Consulting,	$5.0M	67
139	Continental Energy Services, Llc	$4.9M	66
140	Rhm Llc	$4.9M	1,814
141	Angel Health Care Services, S.C.	$4.9M	4
142	Profit Enhancement Systems, Llc	$4.8M	13
143	Product Evaluation, Inc.	$4.8M	26
144	One Salon & Spa, Ltd.	$4.7M	47
145	Brennan & Clark Ltd., Llc	$4.7M	33
146	Butterfield Country Club	$4.4M	108
147	Investment Consulting Services, Llc	$4.3M	183
148	Vibration Institute	$4.3M	19
149	Windval Technology Solutions Llc	$4.2M	28
150	The Rubicon Group, Limited	$4.1M	24
151	Sadoff Enterprises, Llc	$4.0M	118
152	American Society Of Neuroradiology	$4.0M	26
153	Mercury Acquisition 2021, Llc Dba Tele-Town Hall	$3.6M	35
154	Construction Management Associates, Llc	$3.6M	4
155	Grundy Radiologists, Inc.	$3.5M	4
156	Mukesh Patel Mdsc	$3.5M	1
157	R. T. Nelson & Associates, Llc	$3.5M	4
158	Tw Chicago, Llc	$3.4M	40
159	Landmark Capital, Inc.	$3.3M	4
160	Cardiac Arrhythmia Services Ltd	$3.3M	4
161	Resource 1, Inc.	$3.3M	32
162	Worldbridge Partners, Inc.	$3.3M	41
163	Levin & Brend, P.C.	$3.2M	24
164	Chr Employees, Llc	$3.1M	188
165	Dxu Llc	$3.1M	81
166	Pathology Associates Of Central Illinois, Ltd.	$3.0M	12
167	Ada I. Arias, M.D., S.C.	$3.0M	2
168	Elite Administration & Insurance Group, Inc.	$3.0M	39
169	Hps Micron Group, Llc	$2.9M	99
170	North Branch Capital Management, L.P.	$2.9M	11
171	Level General Contractors, Llc	$2.9M	11
172	Reynolds Financial Group Llc	$2.9M	25
173	Engler Callaway Baasten & Sraga,	$2.9M	12
174	Carl B Conrad D D S Ltd	$2.9M	3
175	John A Corp Dba Affiliated Benefit Consultants, Inc.	$2.8M	20
176	Is Consulting Services, Llc	$2.8M	14
177	Green Offices Llc	$2.8M	2
178	Afin Family Wealth Management Inc.	$2.7M	14
179	Cimco Capital, Llc	$2.7M	127
180	Rvg Partners, Llc	$2.6M	13
181	Oakbrook Surgical Centre, Inc	$2.6M	66
182	My Pediatric Associates, Llc	$2.5M	2
183	The Pinnacle Planning Group, Llc	$2.4M	4
184	Premier Landscape Contractors, Inc.	$2.4M	789
185	Insight Executive Search Partners, Inc	$2.4M	2
186	Thomas Compliance Associates, In	$2.4M	17
187	Kensington Development Partners	$2.4M	12
188	Illinois School Bus Co., Inc.	$2.3M	157
189	Americall Group, Inc.	$2.3M	453
190	Lts Sales & Marketing, Inc. Dba/Focus Sales & Ma	$2.3M	56
191	Yendall Hunter Corp.	$2.2M	10
192	National Decorating Service, Inc.	$2.2M	7
193	Manageforce Corporation	$2.2M	45
194	Mallory Sun, Llc Dba Servpro Of Downers Grove Oak Brook	$2.0M	5
195	Alm Distributors, Llc.	$2.0M	20
196	Trackunit, Inc.	$2.0M	47
197	Nationwide Credit & Collection, Inc	$2.0M	62
198	Lets Pave, Llc	$1.9M	42
199	Innotek Medical Products, Inc.	$1.9M	20
200	Center For Pediatric Gastroenterology & Nutrition	$1.9M	14

Source: public U.S. Department of Labor EFAST2 Form 5500 filings. Figures reflect each plan's most recent filing year. FiduciarySignal is not affiliated with the DOL. Which of these plans is most likely to change providers this year? That's what the Change Predictor ranks.