| University of Iowa |
32,409 |
| University of Northern Iowa |
2,939 |
| Cedar Rapids Community Schools |
2,729 |
| Iowa State University |
1,838 |
| State of Iowa |
1,795 |
| Principal Financial Group, Inc. |
1,741 |
| Iowa City Public School District |
1,663 |
| Simpson College |
1,654 |
| Riverside School |
1,639 |
| Ankeny Community School Adm |
1,181 |
| West Des Moines Community Schools |
1,096 |
| Fillmore Elementary School |
1,041 |
| DMACC, Des Moines Area Community College |
1,030 |
| Kirkwood Community College |
945 |
| Area Education Agency 267 |
934 |
| Heartland AEA 11 |
892 |
| Meredith Corporation |
843 |
| Muscatine Community School District |
841 |
| Rockwell Collins, Inc. |
820 |
| West Cedar Elementary School |
656 |
| Anson Elementary School |
633 |
| Hawkeye Community College |
619 |
| Wartburg College |
611 |
| Lee Enterprises, Incorporated |
600 |
| Cbs Home Real Estate |
582 |
| Pioneer Hi-Bred International, Inc. |
552 |
| Iowa Realty |
550 |
| Cedar Rapids Metro YMCA |
550 |
| Ames School District |
461 |
| Eastern Iowa Community College District |
443 |
| Western Dubuque School |
401 |
| Yellow Book USA, Inc. |
375 |
| Coe College |
349 |
| Iowa Western Community College |
345 |
| Farm Bureau Financial Services |
342 |
| Buena Vista University |
336 |
| Mason City Community School District |
334 |
| The Mississippi Bend Area Education Agency |
326 |
| Iowa Central Community College |
325 |
| Graceland University |
316 |
| Hy-Vee, Inc. |
305 |
| Aviva |
303 |
| Iowa Health System |
294 |
| Indian Hills Community College |
289 |
| Northwest AEA |
288 |
| Ellsworth Community college |
286 |
| MidAmerican Energy Holdings Company |
284 |
| Aurora Heights Elementary School |
280 |
| Central College |
271 |
| Grand View College |
270 |
| Mel Foster Company - Bonnie J. Sparks-Gray |
262 |
| McLeodUSA Incorporated |
260 |
| Northeast Iowa Community College |
252 |
| West Middle School |
237 |
| North Iowa Area Community College |
234 |
| Lambert Elementary School - Iowa |
232 |
| Prairie Lakes AEA |
229 |
| Clark Elementary School |
229 |
| Iowa Lakes Community College |
226 |
| Maharishi University of Management Center for Health and Aging Studies |
225 |
| Morningside College |
216 |
| EMC Insurance |
214 |
| De Soto Intermediate School |
213 |
| Decorah High School |
207 |
| Clear Creek Amana High School District |
203 |
| Central Alternative Program |
202 |
| Mercy Medical Center |
197 |
| Mercy Health Network |
197 |
| Pella Corporation |
195 |
| Iowa DOT |
191 |
| Upper Iowa University |
190 |
| Briar Cliff University |
182 |
| Dordt College |
177 |
| Hempstead High School |
177 |
| Drake University |
174 |
| AIB College of Business |
171 |
| Des Moines Register |
171 |
| University of Dubuque |
170 |
| Kinglsey Elementary |
160 |
| Wellmark, Inc. |
158 |
| Mary Welsh School |
158 |
| Communications Data Services, Inc. |
157 |
| Intervet Inc |
157 |
| Cornell Elementary School |
156 |
| Manning Elementary School - Iowa |
155 |
| New Hampton Elementary School |
148 |
| Cedar Falls Community Schools |
147 |
| Oakridge School |
147 |
| City of Ames |
145 |
| Northwestern College of Iowa |
144 |
| Great Prairie Area Education Agency |
144 |
| Coldwell Banker Real Estate - Kristen Geiger |
141 |
| City of Des Moines, Iowa |
141 |
| Loras College |
140 |
| The Weitz Group, LLC |
138 |
| iowacourts |
137 |
| 1First Realty |
136 |
| Paladin |
136 |
| Shenandoah Middle School |
135 |
| Northwest Iowa Community College |
133 |
| Sioux Center High School |
133 |
| Johnston Community School Dist |
132 |
| Vermeer Corporation |
129 |
| William Penn University |
128 |
| Terra Industries Inc. |
127 |
| Jacobson Companies |
127 |
| Luther College |
126 |
| Lakeview Elementary |
123 |
| HNI Corporation |
122 |
| Columbus Junction School Supt |
122 |
| Clarke College |
120 |
| Council Bluffs Community School District |
119 |
| Perry Community Schools |
117 |
| Woodward Communications, Inc. |
115 |
| Bandag, Incorporated |
114 |
| AmerUs Group Co. |
112 |
| ankenyiowa |
112 |
| The HON Company |
111 |
| Grinnell College |
111 |
| ACT, Inc. |
108 |
| South O'Brien Secondary School |
108 |
| Pitstop |
108 |
| Country Corner |
108 |
| Iowa General Assembly |
105 |
| Genesis Health System |
105 |
| RUAN Transportation Management Systems, Inc. |
105 |
| TrueNorth Companies |
104 |
| Boyer Valley Public School District |
101 |
| Okoboji Elementary School |
100 |
| Interstate 35 Elementary School |
100 |
| Wells' Dairy, Inc. |
99 |
| Gazette Communications |
97 |
| CRST International, Inc. |
94 |
| Lee County, Iowa |
94 |
| Emmetsburg High School - Iowa |
94 |
| Stamats Communications, Inc. |
93 |
| Skogman Realty |
93 |
| Boyden Elementary School |
91 |
| Von Maur Inc. |
90 |
| GuideOne Insurance Company |
89 |
| Iowa Telecommunications Services, Inc. d/b/a Iowa Telecom |
88 |
| City of Cedar Rapids |
87 |
| North-Linn Senior High School |
87 |
| NRG Media Corp |
87 |
| American State Bank |
86 |
| Cornell College |
86 |
| New Hartford Elementary School |
86 |
| Kemin Foods, L.C. |
85 |
| United Fire & Casualty Company |
84 |
| Clinton High School |
84 |
| Grain Processing Corporation |
81 |
| Allsteel Inc. |
80 |
| Iowa Foundation for Medical Care |
80 |
| George-Little Rock Senior High School |
80 |
| West High School |
77 |
| WHO-TV (NBC 13) |
77 |
| Pocahontas Area Elementary School |
77 |
| BTC Financial Corporation |
76 |
| Berthel Fisher |
75 |
| Nyemaster, Good, West, Hansell and O'Brien |
75 |
| South Winneshiek High School |
74 |
| Xavier High School |
74 |
| Heart Of Iowa Coop |
74 |
| Quad City Times |
73 |
| Pharmacists Mutual Companies |
72 |
| WITCC |
72 |
| Grinnell Mutual Reinsurance Company |
71 |
| Community State Bank |
71 |
| American Republic Insurance Company |
71 |
| Alburnett Elementary School |
71 |
| East Buchanan Elementary School |
71 |
| ITAGroup, Inc. |
70 |
| Casey's General Stores, Inc. |
69 |
| State Patrol |
66 |
| Staffing Now, Inc. |
65 |
| East Elementary School - Independence Iowa |
65 |
| Ballard East Elementary School |
64 |
| Whitfield & Eddy, P.L.C. |
64 |
| Howard R. Green Company |
64 |
| Highland High School |
64 |
| CDS Global |
64 |
| Simmons, Perrine, Albright |
63 |
| Brown, Winick, Graves, Gross, Baskerville and Schoenebaum, PLC |
63 |
| Kinseth Hospitality Company |
62 |
| Durrant |
62 |
| Polk County, IA |
62 |
| Spencer High School |
62 |
| RRMR Elementary School |
61 |
| Lohrville Elementary School |
61 |
| The VGM Group |
61 |
| First National Bank of Waverly |
60 |
| City of Sioux City |
60 |
| Rock Valley High School |
60 |
| Roquette America, Inc. |
59 |
| East Central Community High School |
59 |
| Seneca Corporation |
58 |
| Human Factors International, Inc. |
58 |
| Federal Home Loan Bank of Des Moines |
58 |
| Life Care Services LLC |
58 |
| Mary Greeley Medical Center |
58 |
