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How to Register as a Vendor in Wyoming

Where
Public Purchase (State of Wyoming, A&I General Services Purchasing)
Cost
Free ("Free Registration"; Public Purchase also sells an optional yearly "Bid Syndication" service)
How long
'"It can take up to 24 hours for a new account to become active" (Monday-Friday, per Public Purchase)'
Last checked
2026-09-27

See 12 open bids in Wyoming →

What it's for

The State of Wyoming's Department of Administration and Information (A&I) Purchasing Section uses Public Purchase, a hosted eProcurement website, to send out bids and receive responses. The state says "All vendors must complete the registration process" with Public Purchase. Registering has two parts: a free Public Purchase account, then a registration with the State of Wyoming as an agency inside that site.

Have this ready

  • Company name, address, and a main contact (Public Purchase verifies this contact before activating your account)
  • A username and password (at least 6 characters, including 1 number)
  • Tax ID (FEIN/EIN), plus DUNS number and website if you have them
  • Commodity codes. Public Purchase supports NAICS, NIGP, SIC, SITC, and UNSPSC, and the agency step asks for its own classification codes.
  • W-9 information. The agency registration includes a W-9 step.
  • Wyoming Secretary of State registration if your entity type requires it. The state's pages link to this but don't say when it's checked.

Steps

Part 1: Public Purchase account (per Public Purchase's official guide)

  1. Choose the free registration plan.
  2. Enter company and contact details.
  3. Choose your classification codes and the states or regions you serve.
  4. Choose notification settings (agency types and bid stages).
  5. Review and submit, then wait up to 24 hours (weekdays) for activation.

Part 2: Register with the State of Wyoming

  1. Once your account is active, open the State of Wyoming (General Services) agency page and start its registration.
  2. Read the agency's instructions and accept its terms and conditions.
  3. Select the agency's commodity codes, complete the W-9 step, and confirm.

After you register

  • The state says it does not guarantee electronic notification of bids. Check the Wyoming GSD bid list on Public Purchase yourself and download the bids that fit your business.
  • Keep your contacts, codes, and W-9 current in Public Purchase.
  • Questions: A&I Purchasing, 307-777-6705.

Watch out for

  • Paid "Bid Syndication" is optional. Public Purchase sells it on a yearly fee, but the free registration is enough to bid with the state.
  • Construction is separate: since October 1, 2020, the State Construction Department handles construction purchases on its own Public Purchase page (wyoconstruction; 307-777-3558). It likely needs its own agency registration inside Public Purchase, which we couldn't confirm. WYDOT and the University of Wyoming post their bids separately.
  • Allow time for activation. Don't wait until the day a bid is due to open your account.

Certifications and bid preferences in Wyoming

Standard bid forms for Wyoming

These are the forms bidders are most often asked to sign or attach on Wyoming state bids. Each bid lists exactly which ones it needs, and many agencies attach their own copies, so always use the version in the bid documents when there is one.

Public Purchase Vendor Registration
Free registration (with commodity codes) on the Public Purchase system, where A&I Purchasing and State Construction issue and receive bids; accounts can take up to 24 hours to activate.
When: All A&I Purchasing and State Construction Department bids
IRS Form W-9 (W-9)
Your taxpayer ID form, required to be set up as a vendor in the state's financial system.
When: Before payment on any state contract
Vendor Banking Verification Form / Direct Deposit Form 1199A (1199A)
Bank verification (form, voided check or bank letter) so the State Auditor can pay you by direct deposit.
When: Vendor setup with the State Auditor's Office
State Construction Department Request for Bids template
The State Construction Department's standard bid solicitation package that contractors respond to, including bid form and bonding terms.
When: State construction projects bid through the Construction Department
Short Bid (All Bonding) template
Short-form bid package for smaller state construction projects that still require bid, performance and payment bonds.
When: Small state construction projects bid through the Construction Department
Payment and Performance Bond Templates (agency-specific)
The state's bond forms for payment and performance bonds, with a separate version for each agency; your surety uses the version named in the bid.
When: State construction contracts that require bonds
Bond Requirements for Approval and Bond Acknowledgement
Lists what your surety and bond must show for the state to accept it, and the acknowledgement form that goes with the bond.
When: State construction contracts that require bonds
Wyoming Resident Consultant Firm Certification Form Affidavit
Affidavit that a professional-services firm qualifies as a Wyoming resident for the resident preference.
When: State professional service (design/consultant) solicitations claiming the Wyoming resident preference

Common questions

Is it free to register as a vendor in Wyoming?

Free ("Free Registration"; Public Purchase also sells an optional yearly "Bid Syndication" service)

Where do I register to bid in Wyoming?

Public Purchase: https://www.publicpurchase.com/gems/help/public/info_vendor_registration.html

How long does Wyoming vendor registration take?

'"It can take up to 24 hours for a new account to become active" (Monday-Friday, per Public Purchase)'

What forms do I need to bid on Wyoming state contracts?

Each bid lists its own forms. Ones bidders are commonly asked for include: Public Purchase Vendor Registration; IRS Form W-9; Vendor Banking Verification Form / Direct Deposit Form 1199A; State Construction Department Request for Bids template; Short Bid (All Bonding) template. The full list with links to the official blank forms is on this page.

Sources

FindMyBids isn't affiliated with any government agency. Registration is free or low cost on official sites; you don't need to pay a third party. Always follow the official portal's instructions.

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