Wisconsin state and local purchase lines BidSparq indexes

BidSparq indexes 10.6M+ priced purchase-order lines from 2 public registers in Wisconsin, covering 60 named buyers. Each line records what a Wisconsin government body bought, from which vendor, at what unit price, and when: the layer under the RFP that shows who really supplies a buyer and what the buyer really pays.

10.6M+

Priced purchase lines

60

Named buyers covered

Sep 25, 2026

Latest dated line

Source: the publishing jurisdictions' own open checkbooks, payment registers, transparency portals, K-12 check registers and board packets.

Counts: BidSparq's own tracked line counts from the nightly per-buyer roll-up. They measure what BidSparq holds, not total Wisconsin spending.

License: free to cite with attribution to BidSparq

The registers behind Wisconsin's lines

RegisterPurchase linesBuyersLatest line
wi openbook10.6M56Sep 25, 2026
board packet check registers2,0104Aug 31, 2026

Wisconsin buyers with the most purchase lines

The 25 buyers with the most lines on file. Each linked buyer has a public page with its open bids, buying signals and purchase totals by year.

BuyerTypeLinesTotalLatest line
State of Wisconsin: University of Wisconsin SystemState agency5.6M$17.8BSep 24, 2026
State of Wisconsin: Department of CorrectionsState agency844K$4.3BSep 24, 2026
State of Wisconsin: Public Defender BoardState agency758K$692.2MSep 24, 2026
State of Wisconsin: Department of Natural ResourcesState agency740K$1.5BSep 24, 2026
State of Wisconsin: Department of TransportationState agency718K$33.4BSep 25, 2026
State of Wisconsin: Department of Health ServicesState agency528K$5.9BSep 24, 2026
State of Wisconsin: Department of AdministrationState agency185K$3.8BSep 24, 2026
State of Wisconsin: Department of Military AffairsState agency171K$490.8MSep 24, 2026
State of Wisconsin: Department of Veterans AffairsState agency131K$515.1MSep 24, 2026
State of Wisconsin: Department of JusticeState agency86K$375.3MSep 24, 2026
State of Wisconsin: Department of Agriculture, Trade and Consumer ProtectionState agency81K$122.4MSep 24, 2026
State of Wisconsin: Department of Workforce DevelopmentState agency76K$562.2MSep 24, 2026
State of Wisconsin: Department of Public InstructionState agency76K$651.7MSep 24, 2026
State of Wisconsin: Department of RevenueState agency72K$792.1MSep 24, 2026
State of Wisconsin: LegislatureState agency60K$156.6MSep 24, 2026
State of Wisconsin: State Fair Park BoardState agency56K$220.8MSep 23, 2026
State of Wisconsin: Historical SocietyState agency52K$109.0MSep 24, 2026
State of Wisconsin: Building CommissionState agency45K$701.8MSep 24, 2026
State of Wisconsin: Department of Children and FamiliesState agency44K$690.3MSep 24, 2026
State of Wisconsin: Educational Communications BoardState agency33K$123.1MSep 24, 2026
State of Wisconsin: Supreme CourtState agency31K$141.2MSep 24, 2026
State of Wisconsin: Department of Safety and Professional ServicesState agency26K$101.5MSep 22, 2026
State of Wisconsin: Wisconsin Economic Development CorporationState agency19K$146.4MNov 20, 2025
State of Wisconsin: Department of Employee Trust FundsState agency19K$486.5MSep 24, 2026
State of Wisconsin: Department of TourismState agency16K$259.4MSep 23, 2026

Questions people ask about Wisconsin purchase data

Which Wisconsin governments publish their purchase lines?

2 public registers in Wisconsin publish line-level purchase or payment records that BidSparq can load: wi openbook, board packet check registers. wi openbook is the largest, with 10.6M lines across 56 buyers. Jurisdictions that publish only summaries, or no register at all, are not on this page.

How current is the Wisconsin purchase data?

Each register publishes on its own cadence, from daily payments to a fiscal year at a time. The latest dated line BidSparq holds for Wisconsin is Sep 25, 2026; the table above shows the latest line per register. A June 30 date usually means a state that publishes complete fiscal years after close.

How do I see what Wisconsin buyers paid for my product?

Signed in, look up any company, brand or product on the Market Intelligence pages to see which Wisconsin buyers bought it, from which vendor and at what unit price, or ask the AI chat in plain English. Every buyer listed here has a public page with its open bids, buying signals and purchase totals; vendors, line items and contacts are shown to signed-in accounts.

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Wisconsin state and local purchase lines | BidSparq