| The University of Iowa | 155 | FY2025 |
| Iowa State University of Science and Technology | 103 | FY2025 |
| Rockwell Collins Inc. | 95 | FY2025 |
| COGNIZANT TECHNOLOGY SOLUTIONS US CORP | 60 | FY2025 |
| GENESIS HEALTH SYSTEM | 45 | FY2025 |
| HCL AMERICA INC | 24 | FY2025 |
| Deere and Company | 22 | FY2025 |
| TATA CONSULTANCY SERVICES LIMITED | 22 | FY2025 |
| Cambrex Charles City, Inc. | 19 | FY2025 |
| Athene Annuity and Life Company | 16 | FY2025 |
| Corteva Agriscience LLC | 16 | FY2025 |
| Des Moines Independent Community School District | 15 | FY2025 |
| MAHARISHI INTERNATIONAL UNIVERSITY | 15 | FY2025 |
| Siri Consultancy Services, Inc. | 13 | FY2025 |
| COMPUNNEL SOFTWARE GROUP, INC | 12 | FY2025 |
| Quality Consulting, Inc. | 12 | FY2025 |
| Skyworks Solutions, Inc. | 12 | FY2025 |
| Trustees of Grinnell College | 12 | FY2025 |
| LTIMINDTREE LIMITED | 11 | FY2025 |
| Southeast Iowa Regional Medical Center, Inc. | 11 | FY2025 |
| University of Iowa | 10 | FY2024 |
| Iowa Physicians Clinic Medical Foundation | 9 | FY2025 |
| Ernst & Young U.S. LLP | 8 | FY2025 |
| AB Health Corp LLC | 7 | FY2025 |
| Accenture LLP | 7 | FY2025 |
| Computer Sciences Corporation | 7 | FY2025 |
| FBL Financial Group, Inc. | 7 | FY2025 |
| L&T TECHNOLOGY SERVICES LIMITED | 7 | FY2025 |
| Pella Corporation | 7 | FY2025 |
| Transamerica Life Insurance Company | 7 | FY2025 |
| PIONEER CONSULTING SERVICES LLC | 6 | FY2025 |
| Rogers, Freels & Associates, Inc | 6 | FY2024 |
| TECH MAHINDRA (AMERICAS), INC | 6 | FY2024 |
| ARTIFICIAL INTELLIGENCE TECHNOLOGIES LLC | 5 | FY2023 |
| CAPGEMINI AMERICA INC | 5 | FY2024 |
| Cogent Healthcare of Iowa, P.C. | 5 | FY2025 |
| Danfoss Power Solutions (US) Company | 5 | FY2025 |
| DIGITAL TECHNOLOGIES LLC | 5 | FY2023 |
| ePathUSA, Inc | 5 | FY2025 |
| FEDERAL HOME LOAN BANK OF DES MOINES | 5 | FY2024 |
| Microsoft Corporation | 5 | FY2024 |
| South Tama County Community School District | 5 | FY2025 |
| UST GLOBAL INC | 5 | FY2025 |
| Wellmark, Inc. | 5 | FY2025 |
| Aegon Global Services, LLC | 4 | FY2025 |
| Collaborate Solutions Inc. | 4 | FY2025 |
| Conexus MedStaff LLC | 4 | FY2023 |
| Covenant Medical Center, Inc. | 4 | FY2024 |
| Employers Mutual Casualty Company | 4 | FY2025 |
| GLOBAL ATLANTIC FINANCIAL COMPANY | 4 | FY2025 |
| HNI Corporation | 4 | FY2025 |
| INFOSYS LIMITED | 4 | FY2025 |
| Kanap Systems, LLC | 4 | FY2023 |
| Luther College | 4 | FY2025 |
| MERCY CLINICS, INC. | 4 | FY2024 |
| MidAmerican Energy Company | 4 | FY2025 |
| Nationwide Insurance | 4 | FY2024 |
| Oracle America, Inc. | 4 | FY2025 |
| Quadyster | 4 | FY2024 |
| ROBOTICS TECHNOLOGIES LLC | 4 | FY2023 |
| SOFTCORP INTERNATIONAL, INC. | 4 | FY2025 |
| TECHGROUP AMERICA INC. | 4 | FY2025 |
| VRK IT VISION, INC. | 4 | FY2024 |
| Wabtec Railway Electronics, Inc. | 4 | FY2025 |
| Chelsoft Solutions Co. | 3 | FY2023 |
| Colaberry Inc | 3 | FY2025 |
| Community CPA & Associates Inc | 3 | FY2024 |
| Drake University | 3 | FY2023 |
| EquiTrust Life Insurance Company | 3 | FY2025 |
| Global Soft Systems, Inc. | 3 | FY2025 |
| Greater Regional Medical Center | 3 | FY2024 |
| Hancock County Health System | 3 | FY2024 |
| Hill Phoenix, Inc. | 3 | FY2025 |
| Koch Fertilizer Wever, LLC | 3 | FY2025 |
| Kuder, Inc. | 3 | FY2025 |
| LAUNCH IT CORP | 3 | FY2025 |
| LOGIC PLANET, INC. | 3 | FY2025 |
| Loras College | 3 | FY2025 |
| Mercy Health Services-Iowa Corp. | 3 | FY2025 |
| MindZone IT Solutions | 3 | FY2025 |
| NCS Pearson, Inc. | 3 | FY2024 |
| Perficient, Inc. | 3 | FY2024 |
| Populus Group LLC | 3 | FY2025 |
| Primary Health Care, Inc. | 3 | FY2025 |
| Siri Consultancy Service, Inc. | 3 | FY2023 |
| The Society of Pella Christian Schools | 3 | FY2025 |
| Washington County Hospital | 3 | FY2025 |
| Wellabe Services Company | 3 | FY2025 |
| Yash Technologies, Inc | 3 | FY2025 |
| Adin Technologies, Inc. | 2 | FY2025 |
| Alegent Health-Bergan Mercy Health | 2 | FY2025 |
| ALGOBRAINZ LLC | 2 | FY2025 |
| American Equity Investment Life Insurance Company | 2 | FY2025 |
| Antra, Inc. | 2 | FY2025 |
| ARINC Incorporated | 2 | FY2025 |
| BASF Corporation | 2 | FY2023 |
| Bolton & Menk, Inc. | 2 | FY2025 |
| Burgess Health Center | 2 | FY2023 |
| CEDAR VALLEY MEDICAL SPECIALISTS, P.C. | 2 | FY2024 |
| CENTER FOR NATIONAL INDEPENDENCE IN POLITICS | 2 | FY2024 |