Vendor Services

Conducting Business with Sedgwick County

Please contact the Purchasing Department for details (316) 660-7255 or

If you or your firm are interested in conducting business with Sedgwick County, register as a Bidder at the Bidder Registration.

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Tax Exempt Information

Sedgwick County is exempt from paying Kansas sales tax. To receive a copy of the County's tax-exempt certificate, please click the following link:  Sedgwick County Exempt Certificate.

Sedgwick County W-9

2024 Sedgwick County W-9 form.