Year	Employer	Vendor Name	Amount	Source
2017	University Of Oklahoma	Protected Information	$749,006,117.98	Oklahoma State Checkbook
2018	University Of Oklahoma	Protected Information	$705,870,167.38	Oklahoma State Checkbook
2018	Univ. Of Okla. Health Sciences Center	Protected Information	$657,001,245.17	Oklahoma State Checkbook
2017	Univ. Of Okla. Health Sciences Center	Protected Information	$588,040,710.09	Oklahoma State Checkbook
2020	Univ. Of Okla. Health Sciences Center	Protected Information	$567,527,230.85	Oklahoma State Checkbook
2019	Univ. Of Okla. Health Sciences Center	Protected Information	$562,279,209.46	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Protected Information	$560,466,704.08	Oklahoma State Checkbook
2018	Oklahoma State University	Protected Information	$519,652,108.15	Oklahoma State Checkbook
2019	Oklahoma State University	Protected Information	$507,684,278.29	Oklahoma State Checkbook
2020	Oklahoma State University	Protected Information	$501,808,993.20	Oklahoma State Checkbook
2017	Oklahoma State University	Protected Information	$500,022,882.47	Oklahoma State Checkbook
2021	Univ. Of Okla. Health Sciences Center	Protected Information	$439,729,398.51	Oklahoma State Checkbook
2022	Univ. Of Okla. Health Sciences Center	Protected Information	$430,071,985.90	Oklahoma State Checkbook
2022	Oklahoma State University	Protected Information	$315,865,560.33	Oklahoma State Checkbook
2021	Oklahoma State University	Protected Information	$315,010,105.94	Oklahoma State Checkbook
2019	Capitol Improvement Authority	Protected Information	$281,464,166.77	Oklahoma State Checkbook
2017	Regents For Higher Education	Protected Information	$270,056,612.89	Oklahoma State Checkbook
2019	Regents For Higher Education	Protected Information	$253,412,951.68	Oklahoma State Checkbook
2018	Regents For Higher Education	Protected Information	$247,285,116.26	Oklahoma State Checkbook
2018	Mental Health And Substance Abuse Serv.	Oklahoma Health Care Authority	$229,112,059.44	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Oklahoma Health Care Authority	$224,965,596.85	Oklahoma State Checkbook
2021	Capitol Improvement Authority	Protected Information	$222,493,154.33	Oklahoma State Checkbook
2019	Mental Health And Substance Abuse Serv.	Oklahoma Health Care Authority	$205,561,454.80	Oklahoma State Checkbook
2022	Regents For Higher Education	Protected Information	$205,101,437.30	Oklahoma State Checkbook
2017	Mental Health And Substance Abuse Serv.	Oklahoma Health Care Authority	$202,206,012.82	Oklahoma State Checkbook
2017	Capitol Improvement Authority	Protected Information	$200,358,534.55	Oklahoma State Checkbook
2022	Department Of Education	Community Strategies Inc	$199,595,867.84	Oklahoma State Checkbook
2020	Mental Health And Substance Abuse Serv.	Oklahoma Health Care Authority	$198,160,490.22	Oklahoma State Checkbook
2020	Regents For Higher Education	Protected Information	$195,211,121.54	Oklahoma State Checkbook
2021	Department Of Education	Virtual Charter School Board	$185,705,326.68	Oklahoma State Checkbook
2021	Regents For Higher Education	Protected Information	$185,465,108.06	Oklahoma State Checkbook
2022	University Of Oklahoma	Oklahoma State Treasurer	$180,070,697.94	Oklahoma State Checkbook
2022	Capitol Improvement Authority	Protected Information	$161,224,299.20	Oklahoma State Checkbook
2021	Mental Health And Substance Abuse Serv.	Oklahoma Health Care Authority	$153,474,003.57	Oklahoma State Checkbook
2020	University Of Oklahoma	Protected Information	$152,492,032.25	Oklahoma State Checkbook
2022	Office Of Management And Enterprise Serv	Communities Foundation Of Oklahoma Inc	$150,119,143.75	Oklahoma State Checkbook
2019	University Of Oklahoma	University Of Oklahoma	$148,037,720.82	Oklahoma State Checkbook
2022	Mental Health And Substance Abuse Serv.	Oklahoma Health Care Authority	$145,740,576.72	Oklahoma State Checkbook
2019	Water Resources Board	Protected Information	$131,349,267.91	Oklahoma State Checkbook
2022	Capitol Improvement Authority	Department Of Transportation	$122,183,251.58	Oklahoma State Checkbook
2017	Capitol Improvement Authority	Department Of Transportation	$120,345,542.13	Oklahoma State Checkbook
2020	Univ. Of Central Okla.	Protected Information	$116,699,151.28	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Office Of Management & Enterprise Svcs	$111,705,491.03	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Board Of Regents Of The Univ Of Ok Hsc	$110,996,838.31	Oklahoma State Checkbook
2021	Department Of Education	Oklahoma City Public Schools	$105,812,558.63	Oklahoma State Checkbook
2020	St.Wide Virtual Charter School Board	Epic Charter School	$103,632,888.84	Oklahoma State Checkbook
2022	University Of Oklahoma	Protected Information	$101,414,963.54	Oklahoma State Checkbook
2021	Office Of Management And Enterprise Serv	Employment Security Commission	$100,077,087.00	Oklahoma State Checkbook
2020	University Of Oklahoma	Refund Vendor	$99,827,604.48	Oklahoma State Checkbook
2017	Oklahoma State University	Oklahoma State University	$97,769,620.02	Oklahoma State Checkbook
2022	Department Of Education	Oklahoma City Public Schools	$97,657,778.21	Oklahoma State Checkbook
2020	Health Care Authority	Dxc Technology Services Llc	$96,532,760.00	Oklahoma State Checkbook
2020	S. E. Okla. St. Univ.	Protected Information	$95,458,349.04	Oklahoma State Checkbook
2019	Univ. Of Central Okla.	Protected Information	$95,204,977.04	Oklahoma State Checkbook
2019	S. E. Okla. St. Univ.	Protected Information	$94,358,481.57	Oklahoma State Checkbook
2022	Capitol Improvement Authority	Bank Of Oklahoma	$93,919,056.26	Oklahoma State Checkbook
2017	Univ. Hospitals Authority	Ou Medical Center	$92,751,805.68	Oklahoma State Checkbook
2019	Health Care Authority	Dxc Technology Services Llc	$92,240,482.49	Oklahoma State Checkbook
2019	Oklahoma State University	Oklahoma State University	$90,638,259.01	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	University Of Oklahoma	$90,471,575.70	Oklahoma State Checkbook
2021	University Of Oklahoma	Corix Utilities Oklahoma Inc	$90,407,486.05	Oklahoma State Checkbook
2018	Univ. Of Central Okla.	Protected Information	$90,285,343.20	Oklahoma State Checkbook
2017	Capitol Improvement Authority	State Treasurer	$89,374,614.53	Oklahoma State Checkbook
2021	Department Of Education	Rose State College	$89,168,828.22	Oklahoma State Checkbook
2022	Department Of Education	Tulsa Public School Dist 1	$88,966,042.42	Oklahoma State Checkbook
2020	Oklahoma State University	Oklahoma State University	$88,641,247.57	Oklahoma State Checkbook
2021	University Of Oklahoma	Protected Information	$87,405,464.82	Oklahoma State Checkbook
2018	Capitol Improvement Authority	State Treasurer	$85,964,296.69	Oklahoma State Checkbook
2021	Office Of Management And Enterprise Serv	Ntt Data Inc	$85,317,972.30	Oklahoma State Checkbook
2017	Univ. Of Central Okla.	Protected Information	$85,031,277.64	Oklahoma State Checkbook
2018	S. E. Okla. St. Univ.	Protected Information	$82,134,794.84	Oklahoma State Checkbook
2021	Department Of Education	Tulsa Public School Dist 1	$82,044,143.43	Oklahoma State Checkbook
2018	Oklahoma State University	Oklahoma State University	$81,818,638.71	Oklahoma State Checkbook
2018	Capitol Improvement Authority	Department Of Transportation	$81,559,338.22	Oklahoma State Checkbook
2021	Capitol Improvement Authority	Bank Of Oklahoma	$80,581,266.64	Oklahoma State Checkbook
2022	Department Of Transportation	Sherwood Construction Co Inc	$79,020,642.29	Oklahoma State Checkbook
2020	Capitol Improvement Authority	Bank Of Oklahoma	$77,212,644.18	Oklahoma State Checkbook
2022	Univ. Of Central Okla.	Protected Information	$75,928,510.52	Oklahoma State Checkbook
2019	Department Of Corrections	Corecivic Inc	$74,912,281.15	Oklahoma State Checkbook
2018	Regents For Higher Education	Bank Of Oklahoma	$73,996,741.34	Oklahoma State Checkbook
2021	Department Of Transportation	Sherwood Construction Co Inc	$73,792,602.11	Oklahoma State Checkbook
2019	St.Wide Virtual Charter School Board	Epic Charter School	$73,586,977.11	Oklahoma State Checkbook
2017	S. E. Okla. St. Univ.	Protected Information	$72,562,892.37	Oklahoma State Checkbook
2019	Regents For Higher Education	Bank Of Oklahoma	$72,270,818.41	Oklahoma State Checkbook
2017	Univ. Hospitals Authority	Oklahoma Health Care Authority	$71,943,279.00	Oklahoma State Checkbook
2017	Regents For Higher Education	Bank Of Oklahoma	$71,865,142.09	Oklahoma State Checkbook
2020	Capitol Improvement Authority	Protected Information	$71,500,000.44	Oklahoma State Checkbook
2022	Department Of Education	Moore Public Schools	$71,029,367.84	Oklahoma State Checkbook
2020	Department Of Corrections	Corecivic Inc	$70,956,249.60	Oklahoma State Checkbook
2021	Department Of Transportation	Duit Construction Company Inc	$69,608,034.07	Oklahoma State Checkbook
2017	Department Of Emergency Management	Protected Information	$69,387,546.42	Oklahoma State Checkbook
2020	Regents For Higher Education	Bank Of Oklahoma	$68,421,082.87	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Capitol Improvement Authority	$67,769,905.84	Oklahoma State Checkbook
2022	Univ. Hospitals Authority	Ou Medicine Inc	$67,426,031.70	Oklahoma State Checkbook
2019	Capitol Improvement Authority	Bank Of Oklahoma	$67,293,670.45	Oklahoma State Checkbook
2021	Univ. Of Central Okla.	Protected Information	$65,224,939.67	Oklahoma State Checkbook
2020	University Of Oklahoma	Bank Of Oklahoma	$63,867,941.62	Oklahoma State Checkbook
2017	Department Of Corrections	Corrections Corporation Of America	$63,542,276.19	Oklahoma State Checkbook
2019	University Of Oklahoma	Bank Of Oklahoma	$63,101,501.84	Oklahoma State Checkbook
2019	S. W. Okla. St. Univ.	Protected Information	$62,906,092.36	Oklahoma State Checkbook