Wis. Stat. § 126.84: Records; confidentiality.

(1) Public records exemption. The following records obtained by the department under this chapter are not open to public inspection under s. 19.35:

(a) Contractor financial statements.

(b) A contractor’s purchase, storage, or procurement records.

(2) Use of records in court or administrative proceedings. Notwithstanding sub. (1), the department may introduce any information obtained under this chapter in a court proceeding or administrative contested case, subject to any protective order that the court or administrative tribunal determines to be appropriate.