Wisconsin Senate Bill SB1139

Wisconsin 2025-2026 Regular Session

• Introduced: 3/19/26
• Refer: 3/19/26
• Failed: 3/23/26

Caption

An Act to renumber and amend 16.754 (2); to amend 16.754 (3) (intro.) and (a) and 66.0901 (1m) (b); to create 16.754 (2) (b) and 66.0901 (10) of the statutes; Relating to: preference in state and local government contracts and procurement for materials manufactured in the United States and granting rule-making authority. (FE)

Summary

SB1139 would change Wisconsin procurement and public contracting rules to require a stronger preference for materials manufactured in the United States. For state purchases, the bill replaces the current “substantially equal” standard with a requirement that, subject to limited exceptions, the state purchase materials manufactured to the greatest extent in the United States. It also requires state contracts for public works or public improvement projects to include a clause obligating contractors to use U.S.-manufactured materials. The bill extends a similar requirement to local governments. Municipal public contracts would have to contain a provision requiring contractors to use materials manufactured in the United States, and the bill amends existing bidding law to make this new requirement an express exception to the general rule favoring the lowest responsible bidder. The Department of Administration would retain rule-making authority to define key terms and administer the preference, and the bill preserves exceptions for federal law, treaties, international agreements, insufficient availability, and certain resale or printing purchases.

Impact

SB1139 would amend state procurement statutes in chapter 16 and municipal bidding rules in chapter 66 to create a mandatory domestic-materials preference for state and local public contracts. It would affect state agencies, municipalities, contractors, and suppliers by adding contract language requirements and narrowing the circumstances under which foreign-made materials may be used. The bill could increase compliance obligations and potentially affect bid pricing, sourcing, and project administration for public works and other government purchases.

Sentiment

The available record shows no committee transcript or vote history, so there is no direct evidence of debate or partisan division in the materials provided. Based on the bill text, the measure appears to reflect a pro-domestic-manufacturing policy approach and a preference for supporting U.S.-based production in public spending. The fiscal estimate note suggests the bill was still in the early stages of the legislative process at the time of the last action.

Contention

The main likely points of contention are the bill’s impact on cost, competition, and procurement flexibility. Opponents could argue that requiring U.S.-manufactured materials may raise project costs, limit the pool of eligible suppliers, and conflict with the lowest-bid framework for public contracting. Supporters would likely emphasize domestic manufacturing, supply-chain security, and keeping public dollars in the United States. The bill also leaves room for disputes over what counts as “manufactured in the United States,” whether materials are available in sufficient quantities, and how the rule interacts with federal funding or international trade obligations.