City of Columbus Recreation and Parks Department Contract-Bid Notices: https://www.columbus.gov/recreationandparks/opportunities/Contract-Bids/
City of Columbus, Doing Business with: https://www.columbus.gov/columbus/businesses/
City of Columbus, Construction Plan Room: https://ohbdc.org/city-of-columbus-plan-room/ then click on “Plans available for viewing”
City of Columbus Public Utilities: https://www.columbus.gov/utilities/
Columbus Regional Airport Bid Solicitation Opportunities: https://columbusairports.com/doing-business-with-us/solicitation-opportunities
Franklin County (Columbus) Ohio Bid Notices: https://www.franklincountyengineer.org/notice-to-contractors/