Year	Employer	Vendor Name	Amount	Source
2025	Education	Des Moines Area Community College	$48,617,215.70	Iowa State Checkbook
2018	Transportation, Dept Of	Manatts Inc	$48,577,499.94	Iowa State Checkbook
2021	Iowa State Checkbook	Linn County Treasurer	$48,439,058.32	Iowa State Checkbook
2020	Alcoholic Beverages	Diageo Americas Inc	$48,409,062.56	Iowa State Checkbook
2018	Education, Dept Of	Central Rivers Area Education Agency	$48,366,783.38	Iowa State Checkbook
2021	Iowa State Checkbook	Davenport City Of	$48,191,953.66	Iowa State Checkbook
2025	Transportation	Norris Asphalt Paving Co Lc	$48,181,242.38	Iowa State Checkbook
2024		Cedar Falls Comm Sd	$48,169,161.80	Iowa State Checkbook
2023	Iowa State Checkbook	Burlington Comm Sch Dist	$48,131,534.48	Iowa State Checkbook
2020	Education, Dept Of	Southeast Polk Comm Sd	$48,102,346.32	Iowa State Checkbook
2019	Alcoholic Beverages	Diageo Americas Inc	$48,054,487.73	Iowa State Checkbook
2023	Iowa State Checkbook	Cedar Falls Comm Sd	$47,664,488.22	Iowa State Checkbook
2021	Iowa State Checkbook	Des Moines Area Community College	$47,657,819.45	Iowa State Checkbook
2020	Education, Dept Of	Linn-Mar Comm Sch Dist	$47,654,993.27	Iowa State Checkbook
2020	Transportation, Dept Of	Manatts Inc	$47,421,150.58	Iowa State Checkbook
2021	Iowa State Checkbook	Hawkins Construction Co	$47,366,639.40	Iowa State Checkbook
2022	Iowa State Checkbook	Davenport City Of	$47,357,547.96	Iowa State Checkbook
2025	Human Services	State Of Iowa Idph-Wic	$47,296,321.04	Iowa State Checkbook
2020	Education, Dept Of	West Des Moines Comm Sd	$47,215,236.02	Iowa State Checkbook
2023	Iowa State Checkbook	Dept Human Services-State Children's Health Ins - Mco	$46,978,624.13	Iowa State Checkbook
2022	Iowa State Checkbook	Iowa State University	$46,955,739.79	Iowa State Checkbook
2025	Administration And Regulation	Sazerac Company Inc	$46,710,312.98	Iowa State Checkbook
2024		Scott County	$46,291,979.84	Iowa State Checkbook
2020	Treasurer Of State	Wells Fargo Bank Na-Revenue Bonds Debt Service Fund	$46,251,681.25	Iowa State Checkbook
2025	Administration And Regulation	Voya Retirement Insurance And Annuity Company-Deferred Comp Trust Fund	$46,234,307.40	Iowa State Checkbook
2020	Transportation, Dept Of	Norris Asphalt Paving Co Lc	$46,170,488.66	Iowa State Checkbook
2022	Iowa State Checkbook	Linn County Treasurer	$46,140,786.32	Iowa State Checkbook
2020	Transportation, Dept Of	Mathy Construction Company	$46,079,780.16	Iowa State Checkbook
2018	Education, Dept Of	West Des Moines Comm Sd	$46,040,839.18	Iowa State Checkbook
2025	Education	Grant Wood Area Educatio	$46,018,682.38	Iowa State Checkbook
2018	Education, Dept Of	Southeast Polk Comm Sd	$45,898,797.66	Iowa State Checkbook
2021	Iowa State Checkbook	Dubuque City Of	$45,870,543.96	Iowa State Checkbook
2024		Davenport City Of	$45,785,138.71	Iowa State Checkbook
2024		Pleasant Valley Csd	$45,716,631.63	Iowa State Checkbook
2017	Education, Dept Of	Southeast Polk Comm Sd	$45,576,543.41	Iowa State Checkbook
2025	Education	Central Rivers Area Education Agency	$45,536,027.79	Iowa State Checkbook
2023	Iowa State Checkbook	Internal Revenue Service-Dot Payroll Clearing Account	$45,535,922.36	Iowa State Checkbook
2019	Education, Dept Of	Linn-Mar Comm Sch Dist	$45,525,160.54	Iowa State Checkbook
2021	Iowa State Checkbook	Iowa State University	$45,521,283.54	Iowa State Checkbook
2022	Iowa State Checkbook	Insight Public Sector	$45,457,322.80	Iowa State Checkbook
2020	Education, Dept Of	Marshalltown Csd	$45,446,179.60	Iowa State Checkbook
2019	Education, Dept Of	Southeast Polk Comm Sd	$45,303,439.45	Iowa State Checkbook
2025	Administration And Regulation	Computershare Trust Co Na-Revenue Bonds Debt Service Fund	$45,277,486.89	Iowa State Checkbook
2024		Clinton Comm Sch Dist	$45,163,134.23	Iowa State Checkbook
2019	Education, Dept Of	West Des Moines Comm Sd	$45,124,819.52	Iowa State Checkbook
2022	Iowa State Checkbook	Cedar Falls Comm Sd	$45,026,207.37	Iowa State Checkbook
2017	Education, Dept Of	West Des Moines Comm Sd	$44,916,135.67	Iowa State Checkbook
2020	Education, Dept Of	Johnston Comm Sch Dist	$44,810,753.99	Iowa State Checkbook
2024		Western Engineering Company Inc	$44,746,246.57	Iowa State Checkbook
2017	Education, Dept Of	Area Education Agncy 267	$44,735,185.12	Iowa State Checkbook
2023	Iowa State Checkbook	Clinton Comm Sch Dist	$44,708,799.12	Iowa State Checkbook
2024		Sazerac Company Inc	$44,516,853.65	Iowa State Checkbook
2022	Iowa State Checkbook	Fort Dodge Comm Sch Dist	$44,479,903.07	Iowa State Checkbook
2022	Iowa State Checkbook	Wells Fargo Bank Na-Revenue Bonds Debt Service Fund	$44,348,900.00	Iowa State Checkbook
2023	Iowa State Checkbook	Wells Fargo Bank Na-Revenue Bonds Debt Service Fund	$44,344,150.00	Iowa State Checkbook
2019	Education, Dept Of	Marshalltown Csd	$44,336,907.95	Iowa State Checkbook
2018	Education, Dept Of	Linn-Mar Comm Sch Dist	$44,213,752.48	Iowa State Checkbook
2017	Transportation, Dept Of	Internal Revenue Service-payroll Clearing Acct - Dot	$44,193,558.64	Iowa State Checkbook
2018	Transportation, Dept Of	Internal Revenue Service-Payroll Clearing Acct - Dot	$44,155,585.18	Iowa State Checkbook
2024		Voya Retirement Insurance And Annuity Company-Deferred Comp Trust Fund	$43,981,005.04	Iowa State Checkbook
2018	Education, Dept Of	Marshalltown Csd	$43,877,531.43	Iowa State Checkbook
2023	Iowa State Checkbook	Pleasant Valley Csd	$43,852,352.46	Iowa State Checkbook
2024		Reilly Construction Co	$43,782,014.46	Iowa State Checkbook
2019	Education, Dept Of	Johnston Comm Sch Dist	$43,517,441.07	Iowa State Checkbook
2024		Burlington Comm Sch Dist	$43,502,532.83	Iowa State Checkbook
2023	Iowa State Checkbook	Hawkins Construction Co	$43,438,390.37	Iowa State Checkbook
2022	Iowa State Checkbook	Burlington Comm Sch Dist	$43,398,222.65	Iowa State Checkbook
2024		Internal Revenue Service-Dot Payroll Clearing Account	$43,308,303.03	Iowa State Checkbook
2025	Human Services	Polk County	$43,274,715.89	Iowa State Checkbook
2025	Transportation	Internal Revenue Service-Dot Payroll Clearing Account	$43,195,701.49	Iowa State Checkbook
2023	Iowa State Checkbook	Muscatine Comm Sch Dist	$43,122,633.13	Iowa State Checkbook
2024		Sioux City City Of	$43,096,417.08	Iowa State Checkbook
2024		Cedar Valley Corp	$43,050,335.63	Iowa State Checkbook
2019	Human Services Assistance Pymt	Dept Human Services-Modernization-State Only	$43,027,136.27	Iowa State Checkbook
2024		Computer Aid Inc	$42,806,166.48	Iowa State Checkbook
2019	Human Services Assistance Pymt	Dept Human Services-Providers-Providers	$42,747,135.12	Iowa State Checkbook
2020	Transportation, Dept Of	Internal Revenue Service-Dot Payroll Clearing Account	$42,726,002.72	Iowa State Checkbook
2017	Education, Dept Of	Linn-mar Comm Sch Dist	$42,700,110.18	Iowa State Checkbook
2021	Iowa State Checkbook	Internal Revenue Service-Dot Payroll Clearing Account	$42,578,667.37	Iowa State Checkbook
2023	Iowa State Checkbook	Voya Retirement Insurance And Annuity Company-Deferred Comp Trust Fund	$42,546,813.87	Iowa State Checkbook
2022	Iowa State Checkbook	Pleasant Valley Csd	$42,483,168.47	Iowa State Checkbook
2023	Iowa State Checkbook	Sioux City City Of	$42,316,629.81	Iowa State Checkbook
2022	Iowa State Checkbook	Norris Asphalt Paving Co Lc	$42,283,018.27	Iowa State Checkbook
2017	Alcoholic Beverages	Diageo Americas	$42,282,232.74	Iowa State Checkbook
2023	Iowa State Checkbook	Sazerac Company Inc	$42,263,003.37	Iowa State Checkbook
2017	Human Services Assistance Pymt	Unitedhealthcare Plan Of The River Valley Inc	$42,234,984.53	Iowa State Checkbook
2020	Human Services Assistance Pymt	Dept Human Services-Icf	$42,234,291.49	Iowa State Checkbook
2020	Education, Dept Of	Des Moines Area Community College	$42,210,733.37	Iowa State Checkbook
2018	Administrative Services, Dept	Voya Retirement Insurance And Annuity Company-Deferred Comp Trust Fund	$42,179,489.06	Iowa State Checkbook
2022	Iowa State Checkbook	Iowa Soybean Association	$42,171,603.57	Iowa State Checkbook
2025	Justice System	Restricted	$42,117,817.90	Iowa State Checkbook
2024		Us Bank Cardmember Serv	$42,082,733.22	Iowa State Checkbook
2017	Education, Dept Of	Marshalltown Csd	$42,064,492.90	Iowa State Checkbook
2017	Education, Dept Of	Grant Wood Area Educatio	$42,036,184.61	Iowa State Checkbook
2018	Education, Dept Of	Johnston Comm Sch Dist	$42,008,719.32	Iowa State Checkbook
2025	Education	Cedar Falls Comm Sd	$41,989,679.49	Iowa State Checkbook
2025	Human Services	University Of Iowa	$41,938,345.46	Iowa State Checkbook
2025	Administration And Regulation	Linn County	$41,882,224.90	Iowa State Checkbook
2025	Administration And Regulation	Davenport City Of	$41,882,153.95	Iowa State Checkbook
2018	Public Health, Dept Of	State Of Iowa Idph-Wic Food	$41,851,265.80	Iowa State Checkbook