Year	Employer	Vendor Name	Amount	Source
2020	Mental Health And Substance Abuse Serv.	Family & Childrens Service Inc	$17,916,781.13	Oklahoma State Checkbook
2022	Department Of Transportation	C3 Construction Inc	$17,884,068.96	Oklahoma State Checkbook
2018	Health Care Authority	Dxc Technology Services Llc	$17,873,280.51	Oklahoma State Checkbook
2019	University Of Oklahoma	Refund Vendor	$17,863,315.71	Oklahoma State Checkbook
2022	Department Of Human Services	Liberty Of Oklahoma Corporation	$17,862,180.09	Oklahoma State Checkbook
2021	Department Of Corrections	Oklahoma Department Of Corrections	$17,810,200.82	Oklahoma State Checkbook
2022	Office Of Management And Enterprise Serv	Capitol Improvement Authority	$17,714,724.38	Oklahoma State Checkbook
2020	Department Of Transportation	Frontier Bridge Inc	$17,651,327.67	Oklahoma State Checkbook
2022	Osu Medical Authority	Oklahoma State University Medical Center	$17,598,258.00	Oklahoma State Checkbook
2020	University Of Oklahoma	Corix Utilities Oklahoma Inc	$17,580,394.88	Oklahoma State Checkbook
2022	Department Of Veterans Affairs	Flintco Llc	$17,548,778.87	Oklahoma State Checkbook
2022	Department Of Education	Bartlesville Public Schools	$17,547,632.22	Oklahoma State Checkbook
2019	Regents For Higher Education	Capitol Improvement Authority	$17,513,806.27	Oklahoma State Checkbook
2020	Department Of Transportation	Sewell Bros Inc	$17,509,171.57	Oklahoma State Checkbook
2020	Department Of Public Safety	Office Of Management & Enterprise Svcs	$17,430,376.24	Oklahoma State Checkbook
2021	Office Of Educ. Quality & Accountability	Kleo Inc	$17,350,000.00	Oklahoma State Checkbook
2018	Osu-College Of Osteopathic Med.	Oklahoma State University	$17,345,484.84	Oklahoma State Checkbook
2017	Capitol Improvement Authority	Manhattan Construction Company	$17,344,116.23	Oklahoma State Checkbook
2022	Department Of Education	Mid-Del Public Schools	$17,337,508.23	Oklahoma State Checkbook
2021	Department Of Education	Owasso Public Schools	$17,242,792.82	Oklahoma State Checkbook
2019	Mental Health And Substance Abuse Serv.	Family & Childrens Service Inc	$17,212,241.41	Oklahoma State Checkbook
2024	Univ. Of Okla. Health Sciences Center	Board Of Regents Of The Univ Of Ok Hsc	$17,162,563.66	Oklahoma State Checkbook
2018	Department Of Corrections	Diamond Pharmacy Services	$17,159,013.22	Oklahoma State Checkbook
2022	Department Of Corrections	Oklahoma Department Of Corrections	$17,059,223.37	Oklahoma State Checkbook
2020	Langston University	Protected Information	$17,030,000.38	Oklahoma State Checkbook
2019	Office Of Management And Enterprise Serv	Marsh Usa Inc	$16,955,568.38	Oklahoma State Checkbook
2021	Osu-College Of Osteopathic Med.	Oklahoma State University	$16,955,350.56	Oklahoma State Checkbook
2024	Capitol Improvement Authority	Department Of Public Safety	$16,932,240.07	Oklahoma State Checkbook
2022	Department Of Transportation	Ihc Scott Inc	$16,889,899.25	Oklahoma State Checkbook
2022	Univ. Hospitals Authority	Oklahoma Health Care Authority	$16,879,703.57	Oklahoma State Checkbook
2024	Regents For Higher Education	Oklahoma State University	$16,806,667.79	Oklahoma State Checkbook
2017	Office Of Management And Enterprise Serv	Hp Administrative Services Llc	$16,794,062.37	Oklahoma State Checkbook
2022	Department Of Education	Muskogee Public Schools	$16,781,351.36	Oklahoma State Checkbook
2018	Carl Albert State College	Protected Information	$16,675,564.70	Oklahoma State Checkbook
2021	Univ. Of Central Okla.	University Of Central Oklahoma	$16,608,938.40	Oklahoma State Checkbook
2019	Department Of Human Services	Liberty Of Oklahoma Corporation	$16,593,187.31	Oklahoma State Checkbook
2022	University Of Oklahoma	Bank Of America Na	$16,571,654.82	Oklahoma State Checkbook
2021	Department Of Commerce	Bancfirst	$16,560,758.58	Oklahoma State Checkbook
2024	Office Of Management And Enterprise Serv	Office Of Management & Enterprise Svcs	$16,545,766.15	Oklahoma State Checkbook
2019	Office Of Management And Enterprise Serv	Shi International Corp	$16,497,463.71	Oklahoma State Checkbook
2022	Department Of Transportation	Sewell Bros Inc	$16,451,945.59	Oklahoma State Checkbook
2022	Department Of Education	Sand Springs Public School	$16,441,921.06	Oklahoma State Checkbook
2021	Office Of Management And Enterprise Serv	Capitol Improvement Authority	$16,406,224.45	Oklahoma State Checkbook
2017	Carl Albert State College	Protected Information	$16,387,042.38	Oklahoma State Checkbook
2018	Corporation Commission	Protected Information	$16,333,005.09	Oklahoma State Checkbook
2022	Capitol Improvement Authority	Manhattan Construction Company	$16,330,111.33	Oklahoma State Checkbook
2017	Office Of Management And Enterprise Serv	Shi International Corp	$16,300,556.54	Oklahoma State Checkbook
2021	Corporation Commission	Protected Information	$16,109,200.06	Oklahoma State Checkbook
2022	Office Of Management And Enterprise Serv	Key Government Finance Inc	$15,938,579.50	Oklahoma State Checkbook
2021	Department Of Transportation	Silver Star Construction Co Inc	$15,915,633.76	Oklahoma State Checkbook
2020	Oklahoma Tax Commission	Garfield County	$15,905,402.42	Oklahoma State Checkbook
2022	Rose State Colege	Protected Information	$15,896,052.96	Oklahoma State Checkbook
2019	Carl Albert State College	Protected Information	$15,865,249.78	Oklahoma State Checkbook
2021	Department Of Transportation	Sewell Bros Inc	$15,809,272.83	Oklahoma State Checkbook
2019	Department Of Transportation	Bank Of America	$15,746,980.09	Oklahoma State Checkbook
2022	Tulsa Community College	Tulsa Community College	$15,720,572.21	Oklahoma State Checkbook
2020	Carl Albert State College	Protected Information	$15,717,850.27	Oklahoma State Checkbook
2022	Department Of Education	Choctaw-Nicoma Park Public Schools	$15,712,491.30	Oklahoma State Checkbook
2022	Office Of Management And Enterprise Serv	Healthscope Benefits	$15,705,219.06	Oklahoma State Checkbook
2024	Regents For Higher Education	University Of Oklahoma	$15,705,127.04	Oklahoma State Checkbook
2017	Eastern Okla. State College	Protected Information	$15,672,146.73	Oklahoma State Checkbook
2023	Oklahoma State Checkbook	Teachers Retirement System Of Oklahoma	$15,669,285.29	Oklahoma State Checkbook
2022	University Of Oklahoma	Board Of Regents Of The Univ Of Ok Hsc	$15,645,895.12	Oklahoma State Checkbook
2020	St.Wide Virtual Charter School Board	Oklahoma Virtual Charter Academy	$15,627,001.78	Oklahoma State Checkbook
2019	Department Of Education	Oklahoma State Department Of Health	$15,613,343.18	Oklahoma State Checkbook
2020	University Of Oklahoma	Univ Of Oklahoma Health Sciences Center	$15,592,697.40	Oklahoma State Checkbook
2022	Department Of Education	Dove Schools Inc	$15,552,341.71	Oklahoma State Checkbook
2022	University Of Oklahoma	Bank Of Oklahoma	$15,546,571.04	Oklahoma State Checkbook
2019	Langston University	Protected Information	$15,455,788.32	Oklahoma State Checkbook
2022	Mental Health And Substance Abuse Serv.	Family & Childrens Service Inc	$15,448,433.39	Oklahoma State Checkbook
2019	Department Of Transportation	Overland Corporation	$15,417,575.69	Oklahoma State Checkbook
2021	S. W. Okla. St. Univ.	Protected Information	$15,372,952.82	Oklahoma State Checkbook
2022	Department Of Education	Bixby Public Schools	$15,325,464.73	Oklahoma State Checkbook
2021	Department Of Transportation	Crossland Heavy Contractors Inc	$15,317,624.08	Oklahoma State Checkbook
2022	Univ. Of Central Okla.	University Of Central Oklahoma	$15,299,471.65	Oklahoma State Checkbook
2019	Department Of Corrections	Bank Of America	$15,289,430.11	Oklahoma State Checkbook
2019	Department Of Corrections	Diamond Pharmacy Services	$15,288,769.77	Oklahoma State Checkbook
2019	Oklahoma Military Department	Cmswillowbrook Inc	$15,275,717.99	Oklahoma State Checkbook
2022	Department Of Education	Tahlequah Public Schools I035	$15,251,792.93	Oklahoma State Checkbook
2021	Northern Oklahoma College	Protected Information	$15,241,054.61	Oklahoma State Checkbook
2017	Office Of Management And Enterprise Serv	Marsh Usa Inc	$15,227,059.21	Oklahoma State Checkbook
2021	Univ. Hospitals Authority	Oklahoma Health Care Authority	$15,106,746.10	Oklahoma State Checkbook
2018	Department Of Corrections	Bank Of America	$15,062,461.04	Oklahoma State Checkbook
2021	University Of Oklahoma	Bank Of Oklahoma	$15,012,033.74	Oklahoma State Checkbook
2017	Osu-college Of Osteopathic Med.	Oklahoma State University	$15,011,779.27	Oklahoma State Checkbook
2018	Office Of Management And Enterprise Serv	Marsh Usa Inc	$14,948,338.71	Oklahoma State Checkbook
2024	Oklahoma State Department Of Health	Oklahoma State Department Of Health	$14,873,903.09	Oklahoma State Checkbook
2022	Department Of Human Services	Office Of Management & Enterprise Svcs	$14,871,714.65	Oklahoma State Checkbook
2022	Department Of Emergency Management	Ou Medicine Inc	$14,855,637.73	Oklahoma State Checkbook
2021	Murray State College	Protected Information	$14,818,765.57	Oklahoma State Checkbook
2018	Regents For Higher Education	Oklahoma State University	$14,734,022.13	Oklahoma State Checkbook
2022	Department Of Emergency Management	Tri-County Electric Cooperative Inc	$14,699,907.72	Oklahoma State Checkbook
2021	Rose State Colege	Protected Information	$14,677,815.46	Oklahoma State Checkbook
2019	Tobacco Settlement Endmt Trust	Univ Of Oklahoma Health Sciences Center	$14,656,425.74	Oklahoma State Checkbook
2017	Corporation Commission	Protected Information	$14,654,440.99	Oklahoma State Checkbook
2019	Regents For Higher Education	Oklahoma State University	$14,597,533.90	Oklahoma State Checkbook
2021	Office Of Management And Enterprise Serv	Presidio Holdings Inc	$14,580,526.92	Oklahoma State Checkbook
2021	Department Of Transportation	Caswell Contracting Inc	$14,497,234.55	Oklahoma State Checkbook
2022	Department Of Education	Stillwater Public Schools	$14,486,990.25	Oklahoma State Checkbook
2021	Department Of Public Safety	Office Of Management & Enterprise Svcs	$14,441,908.50	Oklahoma State Checkbook