| NATIONAL ASSOCIATION OF SPORTING GOODS WHOLESALERS | Ankeny | — | $3.8M | 0 |
| CEDAR MEMORIAL PARK CEMETERY ASSOCIATION INC | Cedar Rapids | — | $3.8M | 5 |
| SOUTHERN IOWA RESOURCES FOR FAMILIES | Creston | P73Z Human Services | $3.8M | 0 |
| BOOKEY FAMILY FOUNDATION | Des Moines | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $3.8M | 0 |
| IOWA ASSOCIATION OF REALTORS | West Des Moines | — | $3.8M | 2 |
| IOWA-NEBRASKA FARM EQUIPMENT ASSOCIATION INC | Johnston | — | $3.8M | 6 |
| THE WELL RESOURCE CENTER | Pella | H99 Medical Research | $3.8M | 0 |
| EMPLOYEE CONTRIBUTION VEBA TRUST BAYLOR COLLEGE OF MEDICINE | Clinton | Y43 Mutual & Membership Benefit | $3.8M | 1 |
| THE DUBUQUE VISITING NURSE ASSOCIATION | Dubuque | — | $3.8M | 4 |
| HEARTLAND CARE CENTER INC | Marcus | E91Z Health Care | $3.7M | 1 |
| THE DES MOINES EMBASSY CLUB | Des Moines | — | $3.7M | 1 |
| MARVIN M JORGENSEN CHARITABLE TRUST | Urbandale | E11 Health Care | $3.7M | 0 |
| OSSIAN SENIOR HOSPICE | Ossian | E91Z Health Care | $3.7M | 1 |
| IOWA COMMUNITY ACTION ASSOCIATION | Des Moines | P12 Human Services | $3.7M | 1 |
| DES MOINES ELECTRICAL APPRENTICESHIP TRAINING TRUST | Urbandale | B99 Education | $3.7M | 1 |
| UNIVERSITY OF IOWA RESEARCH FOUNDATION | Iowa City | — | $3.7M | 10 |
| AMES CHAMBER OF COMMERCE INC | Ames | — | $3.7M | 4 |
| LYON COUNTY RIVERBOAT FOUNDATION INC | Rock Rapids | T30 Philanthropy, Voluntarism & Grantmaking Foundations | $3.7M | 0 |
| New Community Development Corporation | Council Bluffs | L80Z Housing & Shelter | $3.7M | 2 |
| ORANGE CITY CHRISTIAN SCHOOL | Orange City | — | $3.7M | 0 |
| UNITED WAY OF SIOUXLAND INC | Sioux City | T700 Philanthropy, Voluntarism & Grantmaking Foundations | $3.6M | 2 |
| NATIONAL SPRINT CAR HALL OF FAME AND MUSEUM FOUNDATION INC | Knoxville | A500 Arts, Culture & Humanities | $3.6M | 1 |
| NORTHEAST IOWA MENTAL HEALTH CENTER | Decorah | F32Z Mental Health & Crisis Intervention | $3.6M | 2 |
| CATHERINE MCAULEY CENTER INC | Cedar Rapids | P83Z Human Services | $3.6M | 1 |
| IOWA BANKERS ASSOCIATION | Johnston | — | $3.6M | 1 |
| HEALTHCARE QUALITY ASSOCIATION ON ACCREDITATION INC | Waterloo | S41 Community Improvement & Capacity Building | $3.6M | 7 |
| INTERNATIONAL UNION OF PAINTERS AND ALLIED TRADES 81 DISTRICT COUNCIL | Des Moines | — | $3.6M | 13 |
| COUNCIL BLUFFS SCHOOLS FOUNDATION INC | Council Bluffs | B99Z Education | $3.6M | 1 |
| HOSPICE OF CENTRAL IOWA FOUNDATION | Des Moines | P74Z Human Services | $3.6M | 3 |
| LAURENS SENIOR PIONEERS INC | Laurens | — | $3.6M | 0 |
| EMPLOYER CONTRIBUTION VEBA TRUST ST OLAF COLLEGE | Clinton | Y43 Mutual & Membership Benefit | $3.6M | 1 |
| WILSON TRAILER SALES HEALTH CARE PLAN FOR S EMPLOYEES | Sioux City | Y43 Mutual & Membership Benefit | $3.6M | 0 |
| BRUCEMORE INC | Cedar Rapids | A20 Arts, Culture & Humanities | $3.6M | 1 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS LOCAL 55 | Des Moines | J404 Employment | $3.5M | 15 |
| DENTAL CONNECTIONS INC | Des Moines | E300 Health Care | $3.5M | 4 |
| FARMERS ELECTRIC COOPERATIVE | Kalona | — | $3.5M | 6 |
| TREES FOREVER INC | Marion | C30Z Environment | $3.5M | 5 |
| IOWA BEEF CATTLE PRODUCERS ASSOCIATION DBA IOWA BEEF INDUSTRY COUNCIL | Ames | — | $3.5M | 1 |
| OPPORTUNITY HOMES INC | Decorah | P73Z Human Services | $3.5M | 1 |
| WILLIS DADY EMERGENCY SHELTER INC | Cedar Rapids | — | $3.5M | 1 |
| POLK COUNTY HOUSING TRUST FUND | Des Moines | L20 Housing & Shelter | $3.5M | 1 |
| UNITED ASSOCIATION OF JOURNEYMEN 125 PPF | Cedar Rapids | — | $3.5M | 5 |
| AGING SERVICES INC | Hiawatha | P81Z Human Services | $3.5M | 5 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION NO 431 | Davenport | — | $3.5M | 22 |
| MAKE-A-WISH FOUNDATION OF IOWA INC | Urbandale | E86Z Health Care | $3.4M | 1 |
| MICAH HOUSE CORPORATION | Council Bluffs | L41Z Housing & Shelter | $3.4M | 0 |
| ACCESS INC | Hampton | J300 Employment | $3.4M | 1 |
| KINNEY-LINDSTROM FOUNDATION INC | Mason City | — | $3.4M | 3 |
| RURAL WATER SYSTEM NUMBER 1 | Hospers | — | $3.4M | 11 |
| BARTHELL OES HOME | Decorah | E910 Health Care | $3.4M | 2 |
