Year	Employer	Vendor Name	Amount	Source
2016	Kansas State University	Card Services	$26,349,060.59	Kansas State Checkbook
2021	Board Of Regents	Johnson County Community College	$26,342,943.78	Kansas State Checkbook
2025	Department Of Education	Usd 418 Mcpherson	$26,285,329.30	Kansas State Checkbook
2016	State Treasurer	City Of Shawnee	$26,250,479.59	Kansas State Checkbook
2019	Department Of Education	Usd 290 Ottawa	$26,223,301.24	Kansas State Checkbook
2023	Department Of Education	Usd 203 Piper Kansas City	$26,116,688.51	Kansas State Checkbook
2016	Kansas State University	Mcpherson Contractors Inc	$25,984,339.23	Kansas State Checkbook
2016	Dept Of Health & Environment	Via Christi Hospitals Wichita Inc	$25,962,791.76	Kansas State Checkbook
2018	Department Of Education	Usd 290 Ottawa	$25,946,418.62	Kansas State Checkbook
2018	Kansas State University	Card Services	$25,914,132.53	Kansas State Checkbook
2023	Ks Dept For Aging & Disab Svs	Midland Care Connection Inc	$25,895,867.70	Kansas State Checkbook
2016	Dept Of Health & Environment	University Of Kansas Medical Center	$25,828,792.26	Kansas State Checkbook
2025	Kansas State University	State Treasurer	$25,825,540.01	Kansas State Checkbook
2021	Department Of Education	Kansas Public Employees Retirement Syste	$25,800,000.00	Kansas State Checkbook
2020	Department Of Education	Kansas Public Employees Retirement Syste	$25,800,000.00	Kansas State Checkbook
2022	Department Of Education	Kansas Public Employees Retirement Syste	$25,800,000.00	Kansas State Checkbook
2023	Larned State Hospital	Worldwide Travel Staffing Limited	$25,773,023.79	Kansas State Checkbook
2025	Board Of Regents	Butler County Community College	$25,723,210.58	Kansas State Checkbook
2024	Kansas State University	State Treasurer	$25,715,230.04	Kansas State Checkbook
2016	Department Of Transportation	Bettis Asphalt & Construction Inc.	$25,657,274.39	Kansas State Checkbook
2019	Department Of Education	Usd 469 Lansing	$25,643,627.39	Kansas State Checkbook
2020	Board Of Regents	Johnson County Community College	$25,620,826.64	Kansas State Checkbook
2025	Department Of Transportation	Bettis Koss Construction - Joint Venture	$25,610,216.08	Kansas State Checkbook
2024	Department Of Transportation	J & R Sand Co Inc	$25,568,061.86	Kansas State Checkbook
2022	Health Care Stabilization Fund	State Treasurer	$25,560,100.49	Kansas State Checkbook
2025	Department Of Transportation	Miles Excavating Inc	$25,559,878.48	Kansas State Checkbook
2025	Department Of Education	Unified School District 413 Neosho Count	$25,491,286.86	Kansas State Checkbook
2019	Department Of Education	Usd 489 Hays	$25,475,034.37	Kansas State Checkbook
2019	Department Of Education	Usd 204 Bonner Springs	$25,449,990.76	Kansas State Checkbook
2021	Ks Public Employees Rtrmnt Sys	Standard Insurance Co	$25,378,613.25	Kansas State Checkbook
2018	Dept Of Health & Environment	Ks Dept Of Hlth & Env Bcyf	$25,371,580.70	Kansas State Checkbook
2018	Department Of Transportation	Kansas Turnpike Authority	$25,366,399.86	Kansas State Checkbook
2022	Department Of Education	Usd 234 Fort Scott	$25,356,263.71	Kansas State Checkbook
2025	Department Of Education	Usd 402 Augusta	$25,354,034.81	Kansas State Checkbook
2017	Kansas State University	Card Services	$25,332,740.19	Kansas State Checkbook
2024	Department Of Education	Usd 489 Hays	$25,297,839.32	Kansas State Checkbook
2019	Department Of Transportation	Koss Construction Company	$25,289,075.21	Kansas State Checkbook
2023	Department Of Education	Usd 402 Augusta	$25,287,333.84	Kansas State Checkbook
2017	State Treasurer	Manhattan City Treasurer	$25,243,119.09	Kansas State Checkbook
2024	Department Of Education	Usd 402 Augusta	$25,238,725.75	Kansas State Checkbook
2016	Dept Of Health & Environment	Us Bank	$25,174,204.01	Kansas State Checkbook
2017	Dept Of Health & Environment	Maximus Health Services Inc	$25,133,505.83	Kansas State Checkbook
2021	Governor	Douglas Co District Court	$25,109,074.00	Kansas State Checkbook
2022	Department Of Education	Usd 418 Mcpherson	$25,103,237.87	Kansas State Checkbook
2023	Ks Public Employees Rtrmnt Sys	Standard Insurance Co	$25,097,452.88	Kansas State Checkbook
2025	Department Of Transportation	Transystems Corp	$25,059,487.46	Kansas State Checkbook
2022	Department Of Transportation	Cornejo & Sons Llc	$25,018,591.23	Kansas State Checkbook
2022	Dpt For Children And Families	Evergy	$25,005,841.46	Kansas State Checkbook
2024	Department Of Transportation	King Construction Co Inc	$24,979,771.40	Kansas State Checkbook
2018	University Of Kansas	Turner Construction Company	$24,949,226.94	Kansas State Checkbook
2025	Kansas State University	Icon Structures Inc	$24,865,718.45	Kansas State Checkbook
2019	Kansas Lottery	Kansas Crossing Casino Lc	$24,860,743.38	Kansas State Checkbook
2019	Board Of Regents	Johnson County Community College	$24,833,447.73	Kansas State Checkbook
2023	Office Of Info Technology Serv	Insight Public Sector Inc	$24,818,428.69	Kansas State Checkbook
2025	Department Of Education	Usd 353 Wellington	$24,786,383.29	Kansas State Checkbook
2025	Department Of Transportation	A M Cohron And Son Inc	$24,746,627.77	Kansas State Checkbook
2022	Department Of Education	Usd 203 Piper Kansas City	$24,709,623.62	Kansas State Checkbook
2022	Department Of Education	Usd 313 Buhler	$24,699,349.12	Kansas State Checkbook
2022	Department Of Education	Usd 402 Augusta	$24,676,456.84	Kansas State Checkbook
2020	Ks Public Employees Rtrmnt Sys	Standard Insurance Co	$24,650,282.99	Kansas State Checkbook
2016	Department Of Commerce	State Treasurer	$24,636,626.27	Kansas State Checkbook
2019	Department Of Commerce	State Treasurer	$24,634,276.27	Kansas State Checkbook
2020	Department Of Commerce	State Treasurer	$24,632,876.27	Kansas State Checkbook
2018	Department Of Commerce	State Treasurer	$24,631,301.27	Kansas State Checkbook
2017	Department Of Commerce	State Treasurer	$24,629,426.27	Kansas State Checkbook
2016	Board Of Regents	Johnson County Community College	$24,585,764.57	Kansas State Checkbook
2018	Department Of Education	Usd 469 Lansing	$24,581,279.59	Kansas State Checkbook
2022	Ks Public Employees Rtrmnt Sys	Standard Insurance Co	$24,563,384.34	Kansas State Checkbook
2020	Dept Of Health & Environment	Delta Dental Plan Of Kansas Inc	$24,553,116.28	Kansas State Checkbook
2018	Department Of Education	Usd 204 Bonner Springs	$24,537,455.00	Kansas State Checkbook
2021	Dept Of Health & Environment	Via Christi Hospitals Wichita Inc	$24,513,481.99	Kansas State Checkbook
2025	Department Of Education	Usd 491 Eudora	$24,505,945.70	Kansas State Checkbook
2022	Dept Of Health & Environment	Kansas Hospital Education & Research	$24,448,507.49	Kansas State Checkbook
2023	Department Of Education	Usd 418 Mcpherson	$24,431,725.00	Kansas State Checkbook
2019	Department Of Education	Usd 465 Winfield	$24,378,828.31	Kansas State Checkbook
2024	Board Of Regents	Butler County Community College	$24,359,665.83	Kansas State Checkbook
2023	Department Of Transportation	King Construction Co Inc	$24,351,794.63	Kansas State Checkbook
2019	Ks Public Employees Rtrmnt Sys	Standard Insurance Co	$24,320,725.53	Kansas State Checkbook
2022	Department Of Education	Usd 413 Chanute Public Schools	$24,313,729.04	Kansas State Checkbook
2019	Department Of Transportation	City Of Wichita	$24,304,670.40	Kansas State Checkbook
2021	Department Of Transportation	The Bank Of New York Mellon Trust Co Na	$24,277,786.46	Kansas State Checkbook
2021	Kansas Lottery	Kansas Crossing Casino Lc	$24,224,027.00	Kansas State Checkbook
2018	Department Of Education	Usd 489 Hays	$24,218,331.95	Kansas State Checkbook
2023	Department Of Administration	Aetna Life Insurance Company	$24,216,490.19	Kansas State Checkbook
2025	Department Of Commerce	Kansas State University	$24,191,792.14	Kansas State Checkbook
2023	Department Of Transportation	South Kansas And Oklahoma Railroad	$24,185,385.28	Kansas State Checkbook
2022	Department Of Education	Usd 368 Paola	$24,159,044.96	Kansas State Checkbook
2024	Department Of Commerce	Kansas Center For Entrepreneurship Inc	$24,156,104.00	Kansas State Checkbook
2017	Department Of Education	Usd 290 Ottawa	$24,143,621.39	Kansas State Checkbook
2021	Department Of Education	Usd 418 Mcpherson	$24,115,460.19	Kansas State Checkbook
2018	Dept Of Health & Environment	Accenture Llp	$24,078,126.36	Kansas State Checkbook
2018	Board Of Regents	Johnson County Community College	$24,074,132.77	Kansas State Checkbook
2025	Dpt For Children And Families	Dccca Inc	$24,062,412.60	Kansas State Checkbook
2022	Department Of Transportation	Sapp Emery & Sons Inc	$24,043,041.41	Kansas State Checkbook
2025	Department Of Transportation	Shilling Construction Co Inc	$24,015,222.81	Kansas State Checkbook
2017	Department Of Education	Usd 262 Valley Center Public Schools	$23,948,925.21	Kansas State Checkbook
2024	Dept Of Health & Environment	City Of Dodge City	$23,947,793.54	Kansas State Checkbook
2023	Department Of Education	Usd 491 Eudora	$23,946,561.30	Kansas State Checkbook
2016	Department Of Education	Usd 204 Bonner Springs	$23,851,259.47	Kansas State Checkbook
2024	Department Of Education	Usd 313 Buhler	$23,817,207.65	Kansas State Checkbook