Wisconsin state and local purchase lines BidSparq indexes
BidSparq indexes 10.9M+ 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.
10.9M+
Priced purchase lines
60
Named buyers covered
Sep 9, 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
| Register | Purchase lines | Buyers | Latest line |
|---|---|---|---|
| wi openbook | 10.9M | 56 | Sep 9, 2026 |
| board packet check registers | 2,938 | 4 | Aug 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.
| Buyer | Type | Lines | Total | Latest line |
|---|---|---|---|---|
| State of Wisconsin: University of Wisconsin System | 5.7M | $18.7B | Sep 9, 2026 | |
| State of Wisconsin: Department of Corrections | State agency | 885K | $4.5B | Aug 27, 2026 |
| State of Wisconsin: Department of Natural Resources | State agency | 767K | $1.7B | Aug 27, 2026 |
| State of Wisconsin: Public Defender Board | 758K | $693.4M | Aug 27, 2026 | |
| State of Wisconsin: Department of Transportation | 731K | $34.0B | Aug 28, 2026 | |
| State of Wisconsin: Department of Health Services | 544K | $6.1B | Aug 27, 2026 | |
| State of Wisconsin: Department of Administration | 206K | $4.0B | Aug 27, 2026 | |
| State of Wisconsin: Department of Military Affairs | 176K | $501.6M | Aug 27, 2026 | |
| State of Wisconsin: Department of Veterans Affairs | 135K | $519.1M | Aug 27, 2026 | |
| State of Wisconsin: Department of Agriculture, Trade and Consumer Protection | 89K | $169.2M | Aug 27, 2026 | |
| State of Wisconsin: Department of Justice | 88K | $389.2M | Aug 27, 2026 | |
| State of Wisconsin: Department of Workforce Development | 81K | $632.8M | Aug 27, 2026 | |
| State of Wisconsin: Department of Revenue | 79K | $815.5M | Aug 27, 2026 | |
| State of Wisconsin: Department of Public Instruction | 79K | $682.1M | Aug 27, 2026 | |
| State of Wisconsin: Legislature | 64K | $166.6M | Aug 27, 2026 | |
| State of Wisconsin: State Fair Park Board | 56K | $220.1M | Aug 27, 2026 | |
| State of Wisconsin: Historical Society | State agency | 55K | $112.1M | Aug 27, 2026 |
| State of Wisconsin: Department of Children and Families | 47K | $772.3M | Aug 27, 2026 | |
| State of Wisconsin: Building Commission | 45K | $694.7M | Aug 27, 2026 | |
| State of Wisconsin: Educational Communications Board | 34K | $123.2M | Aug 27, 2026 | |
| State of Wisconsin: Supreme Court | 32K | $141.0M | Aug 27, 2026 | |
| State of Wisconsin: Department of Safety and Professional Services | 28K | $108.2M | Aug 26, 2026 | |
| State of Wisconsin: Department of Employee Trust Funds | 21K | $616.2M | Aug 27, 2026 | |
| State of Wisconsin: Wisconsin Economic Development Corporation | 19K | $146.8M | Nov 20, 2025 | |
| State of Wisconsin: Department of Tourism | 18K | $257.6M | Aug 27, 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 10.9M 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 9, 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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