Vendors: Information Bid Opportunities Bid Tabulation Pre-Solicitation Notices VMS Staffing Services Contract Protest/Grievence Process State Agencies: Information & Forms Unrestricted Open Market Purchase Authority Letter - PDF Office Supplies: Office Supply Bureau State Purchasing Bureau Issued Contracts: Contract Search Address Information: Physical Location: State Purchasing Bureau, 1526 K Street, Suite 130, Lincoln, NE 68508 Mailing Address: State Purchasing Bureau, P.O. Box 94847, Lincoln, NE 68509-4847