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15 recipients | $4,677,882,735 mapped obligations | Top agency Department of Defense | NAICS 621111 | Updated April 17, 2026 Use this page as a public starting list for government contractors in Wisconsin, then branch into agency, NAICS, and PSC paths.
Mapped obligations
$4,677,882,735
Visible recipients
15
Top agency
Department of Defense
Top industry
NAICS 621111
Top recipients
Optumserve Health Services, Inc.
La Crosse, WI · Department of Veterans Affairs
Oshkosh Defense LLC
Oshkosh, WI · Department of Defense
Oneida Nation
Green Bay, WI · Department of Health and Human Services
Kraemer North America LLC
Plain, WI · Department of Defense
Menominee Indian Tribe Of Wisconsin
Keshena, WI · Department of Health and Human Services
The Lewin Group, Inc.
La Crosse, WI · Department of Health and Human Services
Flexion INC
Madison, WI · Department of Health and Human Services
Optumserve Technology Services, Inc.
La Crosse, WI · Department of Health and Human Services
Ho-chunk Nation Of Wisconsin
Black River Falls, WI · Department of Health and Human Services
Lac Courte Oreilles Ojibwe School
Hayward, WI · Department of the Interior
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Agencies
Department of Defense
7 recipients · $23,862,523,702
Department of Veterans Affairs
2 recipients · $8,749,298,274
Department of Health and Human Services
11 recipients · $4,279,822,486
Department of the Interior
10 recipients · $830,277,476
Department of the Treasury
6 recipients · $639,824,560
Department of Housing and Urban Development
6 recipients · $274,498,644
NAICS
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