- Ohio: Purchasing - Vendor registration, bid opportunities, active contracts listings, and purchasing news.
www.state.oh.us/das/gsd/pur/pur.html
- Oklahoma: Central Purchasing - Bid opportunities, active contracts listings, and purchasing contacts.
www.dcs.state.ok.us/OKDCS.NSF/htmlmedia/central_purchasing.html
- Oregon: Purchasing - Vendor registration and bid opportunities.
tpps.das.state.or.us/purchasing
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