Year	Employer	Vendor Name	Amount	Source
2022	Department Of Education	Yukon Public Schools	$25,971,713.48	Oklahoma State Checkbook
2020	Oklahoma Lottery Commission	Oklahoma Lottery Commission	$25,893,363.16	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Oklahoma Lottery Commission	$25,874,291.49	Oklahoma State Checkbook
2019	Rose State Colege	Protected Information	$25,723,569.22	Oklahoma State Checkbook
2020	Oklahoma State Department Of Health	Oklahoma State University Medical Center	$25,520,938.89	Oklahoma State Checkbook
2020	University Of Oklahoma	Blue Cross And Blue Shield Of Oklahoma	$25,499,250.64	Oklahoma State Checkbook
2022	Department Of Transportation	Emery Sapp & Sons Inc	$25,487,739.80	Oklahoma State Checkbook
2017	Murray State College	Protected Information	$25,456,849.20	Oklahoma State Checkbook
2018	Department Of Corrections	Oklahoma Department Of Corrections	$25,441,573.74	Oklahoma State Checkbook
2018	Murray State College	Protected Information	$25,352,997.67	Oklahoma State Checkbook
2017	Langston University	Protected Information	$25,170,521.44	Oklahoma State Checkbook
2021	Department Of Transportation	Frontier Bridge Inc	$24,953,727.50	Oklahoma State Checkbook
2019	Univ. Hospitals Authority	Ou Medical Center	$24,889,618.83	Oklahoma State Checkbook
2020	Department Of Corrections	Diamond Pharmacy Services	$24,809,142.12	Oklahoma State Checkbook
2019	Ouhsc Prof. Prac. Plan.	Protected Information	$24,801,950.33	Oklahoma State Checkbook
2018	University Of Oklahoma	University Of Oklahoma	$24,795,253.85	Oklahoma State Checkbook
2021	Oklahoma State Department Of Health	Immylabs Llc	$24,790,145.00	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Oklahoma State Department Of Health	$24,571,056.13	Oklahoma State Checkbook
2024	Department Of Corrections	Oklahoma Department Of Corrections	$24,416,443.47	Oklahoma State Checkbook
2017	Rose State Colege	Protected Information	$24,099,781.41	Oklahoma State Checkbook
2021	Health Care Authority	Dxc Technology Services Llc	$24,040,675.43	Oklahoma State Checkbook
2017	Ouhsc Prof. Prac. Plan.	Protected Information	$24,024,382.07	Oklahoma State Checkbook
2020	East Central University	Protected Information	$23,838,004.32	Oklahoma State Checkbook
2024	Univ. Of Central Okla.	Protected Information	$23,716,691.93	Oklahoma State Checkbook
2019	Office Of Management And Enterprise Serv	Healthscope Benefits	$23,671,846.02	Oklahoma State Checkbook
2019	Oklahoma State University	Manhattan Construction Co	$23,664,185.91	Oklahoma State Checkbook
2021	Department Of Education	Jenks Public Schools Isd #5	$23,590,597.60	Oklahoma State Checkbook
2021	University Of Oklahoma	Lockheed Martin Corporation	$23,456,879.28	Oklahoma State Checkbook
2021	Department Of Corrections	Protected Information	$23,325,531.75	Oklahoma State Checkbook
2017	Department Of Education	Oklahoma State Department Of Health	$23,067,130.19	Oklahoma State Checkbook
2018	Ouhsc Prof. Prac. Plan.	Protected Information	$22,951,340.46	Oklahoma State Checkbook
2018	East Central University	Protected Information	$22,330,001.37	Oklahoma State Checkbook
2022	Regents For Higher Education	Capitol Improvement Authority	$22,262,010.69	Oklahoma State Checkbook
2021	Capitol Improvement Authority	Flintco Llc	$22,113,414.47	Oklahoma State Checkbook
2019	University Of Oklahoma	Corix Utilities Oklahoma Inc	$21,838,006.52	Oklahoma State Checkbook
2022	Department Of Transportation	Becco Contractors Inc	$21,830,180.57	Oklahoma State Checkbook
2020	Department Of Transportation	Manhattan Road & Bridge Company	$21,807,183.73	Oklahoma State Checkbook
2019	Capitol Improvement Authority	Je Dunn Construction Company	$21,775,718.48	Oklahoma State Checkbook
2020	Office Of Management And Enterprise Serv	Healthscope Benefits	$21,681,446.48	Oklahoma State Checkbook
2020	Corporation Commission	Protected Information	$21,563,729.73	Oklahoma State Checkbook
2024	Osu-College Of Osteopathic Med.	Oklahoma State University	$21,558,128.04	Oklahoma State Checkbook
2020	Office Of Management And Enterprise Serv	Marsh Usa Inc	$21,523,145.09	Oklahoma State Checkbook
2022	Department Of Education	Teachers Retirement System Of Oklahoma	$21,464,959.32	Oklahoma State Checkbook
2020	Univ. Hospitals Authority	Ou Medical Center	$21,433,517.17	Oklahoma State Checkbook
2022	Department Of Education	Owasso Public Schools	$21,421,468.70	Oklahoma State Checkbook
2024	Department Of Education	Teachers Retirement System Of Oklahoma	$21,418,115.05	Oklahoma State Checkbook
2021	Tulsa Community College	Protected Information	$21,401,341.68	Oklahoma State Checkbook
2019	University Of Oklahoma	Lockheed Martin Corporation	$21,381,791.41	Oklahoma State Checkbook
2020	Office Of Management And Enterprise Serv	Capitol Improvement Authority	$21,316,545.88	Oklahoma State Checkbook
2017	Department Of Commerce	City Of Oklahoma City	$21,252,586.46	Oklahoma State Checkbook
2017	Oklahoma State University	Manhattan Construction Co	$21,243,862.22	Oklahoma State Checkbook
2021	Department Of Education	Enid Public Schools	$21,198,056.27	Oklahoma State Checkbook
2017	East Central University	Protected Information	$21,123,549.33	Oklahoma State Checkbook
2019	Northwestern Okla. State University	Protected Information	$21,079,061.75	Oklahoma State Checkbook
2021	Oklahoma State Department Of Health	Oklahoma State Department Of Health	$21,066,112.13	Oklahoma State Checkbook
2022	University Of Oklahoma	Lockheed Martin Corporation	$20,856,178.22	Oklahoma State Checkbook
2019	Rogers State University	Protected Information	$20,855,159.30	Oklahoma State Checkbook
2020	Department Of Human Services	Liberty Of Oklahoma Corporation	$20,836,331.77	Oklahoma State Checkbook
2021	Department Of Transportation	Apac-Central Inc	$20,723,125.32	Oklahoma State Checkbook
2022	Oklahoma State University	Bank Of Oklahoma, Na	$20,259,492.96	Oklahoma State Checkbook
2020	Murray State College	Protected Information	$20,100,021.94	Oklahoma State Checkbook
2022	Department Of Education	Santa Fe South Schools Inc	$19,864,775.47	Oklahoma State Checkbook
2020	Oklahoma State University	Manhattan Construction Co	$19,846,951.39	Oklahoma State Checkbook
2021	Department Of Education	Yukon Public Schools	$19,792,263.05	Oklahoma State Checkbook
2018	Rogers State University	Protected Information	$19,738,958.68	Oklahoma State Checkbook
2021	Department Of Tourism And Recreation	Manhattan Construction Company	$19,675,972.25	Oklahoma State Checkbook
2022	Department Of Transportation	Apac-Central Inc	$19,653,604.04	Oklahoma State Checkbook
2024	Capitol Improvement Authority	Oklahoma State Treasurer	$19,644,806.71	Oklahoma State Checkbook
2019	Osu-College Of Osteopathic Med.	Oklahoma State University	$19,630,633.71	Oklahoma State Checkbook
2020	University Of Oklahoma	Bank Of America	$19,557,644.97	Oklahoma State Checkbook
2017	Oklahoma Tax Commission	Mayes County	$19,538,395.00	Oklahoma State Checkbook
2018	Northwestern Okla. State University	Protected Information	$19,525,965.60	Oklahoma State Checkbook
2020	Rogers State University	Protected Information	$19,520,010.93	Oklahoma State Checkbook
2024	Office Of Management And Enterprise Serv	Capitol Improvement Authority	$19,502,781.57	Oklahoma State Checkbook
2017	Northwestern Okla. State University	Protected Information	$19,407,258.32	Oklahoma State Checkbook
2018	Langston University	Protected Information	$19,400,255.76	Oklahoma State Checkbook
2018	Capitol Improvement Authority	Je Dunn Construction Company	$19,262,692.51	Oklahoma State Checkbook
2019	University Of Oklahoma	Je Dunn Construction Company	$19,245,035.33	Oklahoma State Checkbook
2021	Capitol Improvement Authority	State Treasurer	$19,186,126.05	Oklahoma State Checkbook
2019	Corporation Commission	Protected Information	$19,050,621.44	Oklahoma State Checkbook
2017	Mental Health And Substance Abuse Serv.	Family & Childrens Services Inc	$18,984,824.72	Oklahoma State Checkbook
2022	S. W. Okla. St. Univ.	Protected Information	$18,930,846.38	Oklahoma State Checkbook
2020	Osu-College Of Osteopathic Med.	Oklahoma State University	$18,863,026.66	Oklahoma State Checkbook
2021	Employment Security Commission	Atos It Solutions And Services Inc	$18,855,164.85	Oklahoma State Checkbook
2021	Office Of Management And Enterprise Serv	Adobe Inc	$18,821,343.67	Oklahoma State Checkbook
2019	Murray State College	Protected Information	$18,806,585.83	Oklahoma State Checkbook
2022	Tulsa Community College	Protected Information	$18,791,359.27	Oklahoma State Checkbook
2022	Osu Medical Authority	Osu-Center For Health Sciences	$18,733,275.48	Oklahoma State Checkbook
2022	Department Of Corrections	Diamond Pharmacy Services	$18,567,403.00	Oklahoma State Checkbook
2021	Department Of Transportation	J & R Sand Company Inc	$18,417,008.86	Oklahoma State Checkbook
2020	Oklahoma State Department Of Health	Integris Baptist Medical Center Inc	$18,291,649.71	Oklahoma State Checkbook
2020	Office Of Management And Enterprise Serv	Shi International Corp	$18,248,723.79	Oklahoma State Checkbook
2022	Capitol Improvement Authority	Oklahoma State Treasurer	$18,233,153.41	Oklahoma State Checkbook
2021	Department Of Education	Teachers Retirement System	$18,213,532.64	Oklahoma State Checkbook
2021	East Central University	Protected Information	$18,182,474.18	Oklahoma State Checkbook
2022	Department Of Corrections	Geo Group Inc	$18,165,263.40	Oklahoma State Checkbook
2017	Rogers State University	Protected Information	$18,011,824.04	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Department Of Education	$18,001,230.89	Oklahoma State Checkbook
2024	Tulsa Community College	Protected Information	$17,973,205.04	Oklahoma State Checkbook
2022	Capitol Improvement Authority	Lingo Construction Services Inc	$17,951,616.59	Oklahoma State Checkbook