Year	Employer	Vendor Name	Amount	Source
2025	State Treasurer	The Northern Trust Company	$926,192,735.08	State Treasurer
2024	Wyoming Retirement	The Northern Trust Company	$831,681,286.63	State Treasurer
2022	State Treasurer	The Northern Trust Company	$792,364,812.33	State Treasurer
2021	State Treasurer	The Northern Trust Company	$681,300,854.29	State Treasurer
2025	State Treasurer	University Of Wyoming	$358,383,524.60	State Treasurer
2025	State Treasurer	Cigna Health & Life Insurance Company	$321,627,916.23	State Treasurer
2020	State Treasurer	University Of Wyoming	$313,566,445.82	State Treasurer
2024	University Of Wyoming	University Of Wyoming	$306,188,156.21	State Treasurer
2025	State Treasurer	Trea County Of Campbell	$296,132,027.95	State Treasurer
2024	Department Of Revenue & Taxation	Trea. County Of Campbell	$275,646,184.87	State Treasurer
2019	State Treasurer	University Of Wyoming	$268,411,793.85	State Treasurer
2024	Administration & Information	Cigna Health & Life Insurance Company	$265,522,673.14	State Treasurer
2022	State Treasurer	Cigna Health & Life Insurance Company	$237,202,100.53	State Treasurer
2020	State Treasurer	Cigna Health & Life Insurance Company	$234,371,020.80	State Treasurer
2022	State Treasurer	Trea. County Of Campbell	$233,530,817.07	State Treasurer
2019	State Treasurer	Cigna Health & Life Insurance Company	$232,332,455.18	State Treasurer
2017	A&I	Cigna Health & Life Insurance Company	$231,711,051.47	State Treasurer
2021	State Treasurer	Cigna Health & Life Insurance Company	$231,379,170.22	State Treasurer
2018	A&I	Cigna Health & Life Insurance Company	$229,808,370.54	State Treasurer
2025	State Treasurer	Trea County Of Converse	$225,906,600.40	State Treasurer
2017	Uw	University Of Wyoming	$224,253,004.35	State Treasurer
2024	Department Of Revenue & Taxation	Trea. County Of Converse	$215,074,361.97	State Treasurer
2018	Uw	University Of Wyoming	$207,613,937.14	State Treasurer
2022	State Treasurer	University Of Wyoming	$204,587,322.68	State Treasurer
2025	State Treasurer	Natrona County School Dist #1	$201,311,646.88	State Treasurer
2022	State Treasurer	Natrona County School Dist #1	$196,668,146.73	State Treasurer
2020	State Treasurer	Natrona County School Dist #1	$187,141,814.11	State Treasurer
2020	State Treasurer	Laramie County School Dist #1	$183,976,852.34	State Treasurer
2025	State Treasurer	Laramie County School Dist #1	$183,318,192.91	State Treasurer
2022	State Treasurer	Trea. County Of Converse	$180,934,064.35	State Treasurer
2021	State Treasurer	Laramie County School Dist #1	$179,496,197.17	State Treasurer
2021	State Treasurer	Natrona County School Dist #1	$177,869,134.95	State Treasurer
2019	State Treasurer	Laramie County School Dist #1	$171,594,557.06	State Treasurer
2022	State Treasurer	Wyoming State Treasurers Office	$170,369,386.80	State Treasurer
2022	State Treasurer	Laramie County School Dist #1	$169,102,271.66	State Treasurer
2022	State Treasurer	Wells Fargo Account Analysis	$167,605,689.35	State Treasurer
2021	State Treasurer	University Of Wyoming	$164,295,333.71	State Treasurer
2019	State Treasurer	Natrona County School Dist #1	$164,172,850.49	State Treasurer
2017	Education	Laramie County School Dist #1	$163,760,260.06	State Treasurer
2024	Education - School Finance	Natrona County School Dist #1	$159,992,134.33	State Treasurer
2018	Education	Laramie County School Dist #1	$159,469,750.22	State Treasurer
2017	Education	Natrona County School Dist #1	$159,421,316.84	State Treasurer
2018	Education	Natrona County School Dist #1	$158,651,411.88	State Treasurer
2021	State Treasurer	Wyoming State Treasurers Office	$152,597,613.41	State Treasurer
2024	Education - School Finance	Laramie County School Dist #1	$137,948,319.47	State Treasurer
2024	Department Of Revenue & Taxation	Trea. County Of Laramie	$124,993,606.75	State Treasurer
2025	State Treasurer	Trea County Of Sweetwater	$123,734,017.24	State Treasurer
2025	State Treasurer	Trea County Of Laramie	$122,779,686.81	State Treasurer
2024	Department Of Revenue & Taxation	Trea. County Of Sweetwater	$121,994,821.07	State Treasurer
2025	State Treasurer	Cvs Pharmacy Inc	$98,101,967.28	State Treasurer
2022	State Treasurer	Trea. County Of Sweetwater	$95,626,163.37	State Treasurer
2022	State Treasurer	Trea. County Of Laramie	$93,046,676.25	State Treasurer
2018	State Cnstrctn	Je Dunn Construction Company	$88,768,672.24	State Treasurer
2024	Department Of Transportation	Ames Construction Inc	$81,501,858.48	State Treasurer
2025	State Treasurer	City Of Casper	$78,863,799.61	State Treasurer
2025	State Treasurer	Sublette County Treasurer	$77,754,116.18	State Treasurer
2024	Administration & Information	Cvs Pharmacy Inc	$76,073,227.89	State Treasurer
2025	State Treasurer	Sweetwater Co School Dist #1	$71,434,858.00	State Treasurer
2025	State Treasurer	Teton County	$70,867,614.72	State Treasurer
2025	State Treasurer	Croell Inc	$65,577,216.74	State Treasurer
2024	Department Of Revenue & Taxation	Trea. County Of Teton	$65,465,505.08	State Treasurer
2021	State Treasurer	Albany County School Dist #1	$63,054,932.89	State Treasurer
2025	State Treasurer	Wind River Family & Community Health Care	$62,117,625.84	State Treasurer
2024	Department Of Revenue & Taxation	Sublette County Treasurer	$61,807,077.33	State Treasurer
2022	State Treasurer	Trea. County Of Sublette	$61,550,937.81	State Treasurer
2021	State Treasurer	Medimpact Healthcare Systems Inc	$61,479,317.17	State Treasurer
2022	State Treasurer	Trea. County Of Teton	$61,180,142.71	State Treasurer
2022	State Treasurer	Albany County School Dist #1	$60,822,607.32	State Treasurer
2020	State Treasurer	Medimpact Healthcare Systems Inc	$58,875,410.55	State Treasurer
2020	State Treasurer	Campbell County School Dist #1	$58,694,026.47	State Treasurer
2022	State Treasurer	Campbell County School Dist #1	$58,152,494.75	State Treasurer
2025	State Treasurer	Trea City Of Cheyenne	$57,894,387.14	State Treasurer
2021	State Treasurer	Sweetwater Co School Dist #1	$57,622,404.88	State Treasurer
2021	State Treasurer	Trea. County Of Teton	$57,416,698.31	State Treasurer
2025	State Treasurer	Albany County School Dist #1	$56,540,043.79	State Treasurer
2025	State Treasurer	Trea City Of Gillette	$56,108,482.47	State Treasurer
2021	State Treasurer	Campbell County School Dist #1	$56,023,247.46	State Treasurer
2022	State Treasurer	Cvs Pharmacy Inc	$55,961,677.64	State Treasurer
2020	State Treasurer	Sweetwater Co School Dist #1	$54,859,955.33	State Treasurer
2020	State Treasurer	Sheridan County School Dist #2	$54,614,057.59	State Treasurer
2020	State Treasurer	Simon Contractors	$54,295,500.31	State Treasurer
2020	State Treasurer	Albany County School Dist #1	$53,954,280.42	State Treasurer
2020	State Treasurer	Trea. County Of Laramie	$53,185,365.97	State Treasurer
2018	A&I	Medimpact Healthcare Systems Inc	$52,675,858.55	State Treasurer
2024	Department Of Health	Wind River Family & Community Health Care	$51,297,710.42	State Treasurer
2021	State Treasurer	Trea. County Of Laramie	$51,185,421.60	State Treasurer
2019	State Treasurer	Medimpact Healthcare Systems Inc	$50,391,150.26	State Treasurer
2024	Department Of Revenue & Taxation	Trea. City Of Gillette	$50,274,028.15	State Treasurer
2017	A&I	Medimpact Healthcare Systems Inc	$50,227,917.94	State Treasurer
2025	State Treasurer	Mcgarvin-Moberly Construction	$50,071,121.83	State Treasurer
2022	State Treasurer	Trea. City Of Gillette	$49,323,586.51	State Treasurer
2025	State Treasurer	Fremont County School Dist #25	$48,765,576.29	State Treasurer
2019	State Treasurer	Albany County School Dist #1	$48,606,285.30	State Treasurer
2022	State Treasurer	Sweetwater Co School Dist #1	$48,449,356.33	State Treasurer
2017	A&I	Je Dunn Construction Company	$48,263,115.16	State Treasurer
2021	State Treasurer	Sheridan County School Dist #2	$47,720,789.60	State Treasurer
2024	Department Of Revenue & Taxation	Trea. City Of Cheyenne	$47,708,735.65	State Treasurer
2018	Education	Albany County School Dist #1	$47,616,067.54	State Treasurer
2017	Education	Albany County School Dist #1	$47,392,202.70	State Treasurer
2025	State Treasurer	Sheridan County School Dist #2	$47,374,885.15	State Treasurer