Government Contracting in Wisconsin
Explore the federal contracting landscape in Wisconsin. Discover active contractors, trending industries, and key government agencies awarding contracts in the state.
Small Business
71%
1,287 of 1,822
Top Industries in Wisconsin
Most common NAICS codes among Wisconsin contractors
No NAICS data available.
Browse all NAICS codesTop Buying Agencies in Wisconsin
Federal agencies with the most contract activity in WI (FY2025)
- 1Department of Defense283 awards
- 2Department of Veterans Affairs95 awards
- 3Department of Agriculture39 awards
- 4Department of Health and Human Services22 awards
- 5Department of Justice17 awards
- 6Department of Homeland Security16 awards
- 7General Services Administration7 awards
- 8Environmental Protection Agency4 awards
- 9Department of the Interior3 awards
- 10Department of Labor3 awards
Top Federal Contractors in Wisconsin
Highest-volume contractors headquartered in Wisconsin by total obligations
| Company | City | Size | Total Obligations | Transactions |
|---|---|---|---|---|
| OPTUMSERVE HEALTH SERVICES, INC. DBA: OPTUMSERVE HEALTH SERVICES, INC. | LA CROSSE | Large | $5.6B | 487 |
| OSHKOSH DEFENSE LLC | OSHKOSH | Large | $5.1B | 43,237 |
| MARINETTE MARINE CORPORATION DBA: MARINETTE MARINE CORP | MARINETTE | Large | $2.0B | 86 |
| AMTEC CORPORATION | JANESVILLE | Small | $1.2B | 88 |
| GE PRECISION HEALTHCARE LLC DBA: GE PRECISION HEALTHCARE LLC | WAUKESHA | Large | $561.4M | 3,332 |
| WISCONSIN PHYSICIANS SERVICE INSURANCE CORP. | MADISON | Large | $559.3M | 190 |
| GOODWILL INDUSTRIES OF SOUTHEASTERN WISCONSIN, INC. | GREENDALE | Large | $358.8M | 64 |
| FAIRBANKS MORSE, LLC | BELOIT | Large | $337.8M | 1,211 |
| PIERCE MANUFACTURING INC | APPLETON | Large | $227.6M | 250 |
| TRANE U.S. INC. DBA: TRANE | LA CROSSE | Large | $221.0M | 1,168 |
Contractor Certifications in Wisconsin
Recent Contract Awards in Wisconsin
70Z08525CIBCT0011
Department of Homeland Security
NAICS: 336611 | Dec 4, 2025
$73K
36A79725N0167
Department of Veterans Affairs
NAICS: 334517 | Dec 4, 2025
$0
123J1426C0148
Department of Agriculture
NAICS: 311513 | Dec 4, 2025
$235K
123J1426F0146
Department of Agriculture
NAICS: 311421 | Dec 4, 2025
$381K
36C26126F0068
Department of Veterans Affairs
NAICS: 511210 | Dec 4, 2025
$17K
Find Active Contracts in Wisconsin
GovCon in a Box helps you discover contracting opportunities, research competitors, and position your business for federal contracts in Wisconsin and beyond.