| 7G Distributing LLC | 1 | $875 | Oct 17, 2016 |
| A & G Electric Company | 5 | $600 | Mar 7, 2017 |
| A Sharkey Demolition Services | 46 | $678 | Apr 3, 2017 |
| A.R.D. Sidings LLC | 3 | $6,696 | Sep 21, 2023 |
| A.Y. McDonald MFG. Co. | 71 | $76,508 | Aug 30, 2023 |
| Amwood Homes, Inc. | 3 | $1,045 | May 6, 2025 |
| Andersen Dubuque Operations | 10 | $9,450 | Jun 28, 2017 |
| Art's Way Vessels Inc. | 13 | $3,925 | Mar 14, 2016 |
| Bimbo Bakeries | 2 | $6,000 | Dec 23, 2024 |
| Conlon Construction Co. | 18 | $19,160 | Mar 10, 2025 |
| Deery Brothers of Dubuque | 1 | $470 | Oct 4, 2023 |
| Developing Alternative Choices Inc | 1 | $1,000 | Jun 23, 2015 |
| Dubuque Community School District | 5 | $13,815 | Apr 28, 2022 |
| Dubuque Stamping and MFG. Inc. | 17 | $22,978 | Aug 6, 2025 |
| Dubuque Steel Products Inc. | 2 | $4,610 | Dec 3, 2025 |
| Dubuque Window & Door Co | 2 | $2,500 | Apr 21, 2020 |
| Dubuque, City of | 5 | $8,701 | Mar 15, 2022 |
| E.J. Voggenthaler Co. | 5 | $375 | May 9, 2017 |
| Embassy Construction, LLC. | 8 | $2,000 | Jul 31, 2023 |
| Epic Construction | 16 | $6,658 | Mar 25, 2019 |
| F. H. Uelner Precision Tools and Dies, Inc | 8 | $17,066 | Mar 13, 2024 |
| Flexsteel Industries, Inc | 41 | $18,127 | Mar 4, 2019 |
| Future Construction, LLC. | 6 | $7,446 | Sep 21, 2023 |
| Giese Manufacturing Co. Inc. | 14 | $17,230 | Jan 5, 2022 |
| Giese Sheet Metal Co., Inc. | 15 | $10,600 | Apr 2, 2024 |
| Grobstick Electrical, Inc. | 2 | $9,324 | Sep 13, 2022 |
| Ground up Construction | 7 | $1,756 | Mar 15, 2022 |
| Happy Joe's Pizza | 1 | $6,750 | Mar 24, 2020 |
| Heiar Custom Countertops | 2 | $168 | Sep 3, 2024 |
| Higley Industries, Inc. | 5 | $1,500 | Feb 18, 2026 |
| Hillcrest Family Services | 5 | $15,627 | Oct 31, 2022 |
| Hitzler Rental LLC | 1 | $0 | Jul 23, 2019 |
| Hoeft Builders | 2 | $100 | Nov 15, 2017 |
| J.F. Brennan Company, Inc. | 1 | $6,000 | Dec 2, 2019 |
| Jim Giese Commercial Roofing, Inc. | 13 | $25,744 | Sep 28, 2021 |
| John Deere Dubuque Works | 104 | $69,110 | Feb 24, 2026 |
| Kelly Green Motors Inc | 2 | $319 | Jul 14, 2021 |
| Kelzer LLC | 1 | $1,200 | May 8, 2018 |
| Kemp Trucking Inc. | 2 | $438 | Aug 17, 2021 |
| Key City Decorative Glass Works | 9 | $825 | May 25, 2016 |
| Klauer Manufacturing Company | 30 | $60,224 | Oct 31, 2022 |
| Kloeckner Metals Corporation | 3 | $4,258 | Oct 18, 2021 |
| Kordell Truck & Trailer Sales | 4 | $2,679 | Jun 26, 2023 |
| Manders Quality Concrete | 3 | $3,694 | Dec 5, 2018 |
| Manders, Inc. | 6 | $4,688 | Sep 4, 2024 |
| Medical Associates Clinic, P.C. | 11 | $363,893 | Dec 18, 2025 |
| Mid America Environmental Services LLC | 3 | $0 | Jun 8, 2015 |
| MMC Mechanical Contractors | 1 | $3,000 | Jun 24, 2019 |
| Morrison Brothers Co | 13 | $10,562 | Dec 8, 2025 |
| National Dentex, LLC. | 5 | $17,050 | Jun 16, 2021 |
| Nordstrom | 1 | $4,500 | Oct 10, 2019 |
| NPF Construction | 5 | $600 | Oct 18, 2016 |
| O'Dowd, Patrick T. | 2 | $4,276 | May 8, 2018 |
| Parts Authority | 1 | $0 | Oct 17, 2023 |
| Portzen Construction Inc. | 32 | $9,260 | Apr 7, 2020 |
| Preferred Glass | 1 | $207 | Mar 25, 2019 |
| Premier Linen and Drycleaning Inc. | 4 | $1,625 | Aug 18, 2015 |
| Progressive Processing LLC | 8 | $47,018 | Sep 17, 2025 |
| Randy Roussel Masonry Inc. | 7 | $1,600 | Sep 8, 2020 |
| Rie Coatings, LLC | 2 | $1,125 | Oct 18, 2017 |
| Rite Hite Corp | 17 | $24,413 | Nov 15, 2022 |
| Rousselot Dubuque Inc. | 6 | $22,522 | May 27, 2025 |
| S & S Builders | 4 | $1,054 | Jun 29, 2020 |
| Sheets Design Build LLC | 3 | $790 | Apr 1, 2020 |
| Smith Dirt Works, Inc | 4 | $6,000 | Mar 4, 2024 |
| Social Security Administration | 55 | $0 | Dec 26, 2017 |
| Sunnycrest Manor, Dubuque County | 2 | $325 | Oct 4, 2017 |
| Tandem Tire & Auto Service, Inc. | 3 | $8,500 | Dec 8, 2025 |
| The Adams Company | 13 | $4,975 | Oct 3, 2018 |
| TJX Companies Inc. | 1 | $1,128 | Sep 13, 2023 |
| Toys R US | 10 | $4,550 | Apr 21, 2015 |
| Tri-State Industries | 20 | $3,412 | Jul 7, 2017 |
| Tri-States Outdoors | 4 | $375 | Oct 5, 2015 |
| Trim Lawn | 1 | $150 | Oct 18, 2017 |
| Tristate Quality Metals | 1 | $0 | Nov 6, 2025 |
| Tschiggfrie Excavating Co | 47 | $22,710 | Aug 20, 2019 |
| Union-Hoermann Press | 5 | $1,875 | Sep 12, 2017 |
| Vanguard Counter Tops | 3 | $3,547 | Jan 21, 2026 |