| Iowa American Water |
| TrueNorth® |
| Iowa Communities Assurance Pool |
| Community State Bank |
| ISG |
| FOX Strand |
| Iowa Municipalities Workers’ Compensation Association |
| Speer Financial, Inc. |
| Iowa Gaming Association |
| Lynch Dallas, P.C. |
| Union Pacific Railroad |
| Bolton & Menk, Inc. |
| Dorsey & Whitney |
| Veenstra & Kimm, Inc. |
| Simmering Cory/ Iowa Codification |
| MSA Professional Services, Inc. |
| D.A. Davidson & Co. |
| McClure |
| Alliant Energy |
| Ahlers & Cooney, P. C. |
| Piper Sandler & Co. |
| Dordt University |
| BerganKDV |
| Iowa Public Agency Investment Trust |
| Foth Infrastructure and Environment |
| Impact7G, Inc. |
| CGA Clapsaddle-Garber Associates, Inc. |
| Midwest Municipal Consulting LLC |
| PFM Financial Advisors LLC |
| RDG Planning & Design |
| HR Green, Inc. |
| Med Compass Mobile Health Services |
| Fehr Graham |
| PeopleService, Inc. |
| Surveying And Mapping, LLC (SAM) |
| Beck Engineering, Inc. |
| Garden & Associates, Ltd. |
| Anderson Bogert Engineers & Surveyors |
| Lee Chamberlin Consultant Engineers, Inc. |
| USW Utility Group |
| Northland Securities, Inc. |
| Carl A. Nelson & Company |
| Shive-Hattery |
| Burbach Aquatics, Inc. – Architects & Engineers |
| Commercial Recreation Specialists |
| ITC Midwest |
| SUDAS |
| Tyler Technologies |
| Toyne Fire Apparatus |
| DIXON Engineering |
| Ferguson Waterworks |
| Hopkins & Huebner, P.C. |
| Snyder & Associates, Inc. |
| ACCO Unlimited Corporation |
| Iowa Concrete Paving Association |
| Origin Design |
| Municipal Pipe Tool Co., LLC |
| Schneider Geospatial |
| UMB Bank |
| Boland Recreation |
| MidAmerican Energy Company |
| Visu-Sewer, Inc. |
| de Novo Marketing |
| Hall & Hall Engineers, Inc. |
| Mediacom Business |
| Kirkwood Community College |
| NLC Service Line Warranty Program by HomeServe |
| Ziegler Power Systems |
| JEO Consulting Group, Inc. |
| Iowa Communications Alliance |
| VC3 | Cybersecurity and Technology Services |
| AccuJet LLC |
| Olsson |
| DGR Engineering |
| Musco Sports Lighting |
| Feld Fire Equipment |
| Filament Essential Services & SOCS Websites+Apps |
| Republic Services |
| Bray Architects |
| Macqueen Equipment Group |
| Sternberg Lighting |
| Kayak Storage Systems, LLC |
| Miron Construction Co., Inc. |
| HDR Engineering |
| Terracon Consultants, Inc |
| MMS Consultants, Inc. |
| Iowa Flood Center |
| Iowa Foundation for Parks and Recreation |
| Martin Gardner Architecture, P.C. |
| Community Heart & Soul |
| Connections Inc Employee Assistance Program |
| ICC Community Development Solutions |
| Woodruff Construction |
| Legat Architects |
| Waters Edge Aquatic Design PLC |
| FirstNet, Built with AT&T |
| Viking Industrial Painting, LLC |
| ATURA |
| Iowa Emergency Management Association (IEMA) |
| Holophane Lighting |
| Silversmith Data |
| OPG-3, Inc. |
| Ulteig |
| JCG Land Services, Inc. |
| IPI – Iowa Prison Industries |
| USDA Rural Development |
| Braun Intertec |
| Maguire Inc. |
| Iowa Finance Authority | State Revolving Fund |
| Voya Financial |
| Core & Main |
| gWorks |
| LPi |
| Iowa Department of Ag/Land Stewardship |
| Short Elliott Hendrickson Inc. (SEH) |
| Farnsworth Group, Inc. |
| J&M Displays, Inc. |
| Iowa Social Science Research Center (University of Iowa) |
| Trees Forever |
| TownCloud, Inc. |
| Government Window, LLC |
| Enterprise Fleet Management |
| Iowa Association of Councils of Governments |
| Emmons & Olivier Resources, Inc (EOR) |
| Petersen Manufacturing Co. |
| University of Northern Iowa |
| Iowa State University Extension and Outreach |
| Midwest Peterbilt Group |
| Iowa Tobacco Prevention Alliance |
| Asphalt Paving Association of Iowa |
| PAJCO Technologies, LLC |
| Guardian Training Service |
| Gee Asphalt Systems, Inc. |
| Valmont Industries, Inc |
| Explore Sioux City |
| Iowa League of Cities |
| T-Mobile |
| Conlon Construction Co. |
| Keep Iowa Beautiful |
| CTC Disaster Response, Inc. |
| ABcreative, Inc. |
| Iowa Water Environment Association |
| Delta Dental of Iowa |
| C&O Sales |
| MuniBilling |
| U.S. Army Corps of Engineers |
| Cedar Rapids Tourism |
| Red Lion Renewables |
| Midwest Data of Iowa |
| Altumint, Inc. |
| ProSource Technologies, LLC |
| GreenState Credit Union |
| M&E Plastic Repair |
| MSA Professional Services, Inc. |
| College Savings Iowa |
| Aquatics Live |
