Purchasing Division

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Vendor Registration

To ensure notification of future bid opportunities with Walworth County, vendors must be registered.

It is the bidder's responsibility to register with Onvia to receive future amendments, questions, revisions, etc., prior to the bid/proposal opening.


To REGISTER, at NO CHARGE go to www.onvia.com/WAPP

Insurance Certificates must be current and update. Please send them to our convenient email address:  purchasing@co.walworth.wi.us

If you have any questions, contact Onvia Supplier Services at 1-800-711-1712 or the Walworth County Acting Purchasing Manager at 262-741-7265

Learn more about Onvia DemandStar

Walworth County Purchasing Home Page

Modified: October 21, 2015


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