Following are hyperlinks to Montana Bid Notices for City, County, State and municipal projects, including k12 schools, university’s, sewer, water, roads, bridges, airports and so on –
Anaconda-Deer Lodge County Montana Bid Postings https://adlc.us/Bids.aspx
Beaverhead County MT, home page https://beaverheadcounty.org/
Belgrade Montana Request for Qualifications and Bids scroll down the web page https://www.helenamt.gov/business/bids/rfprfq
Benton Lake Elementary School, Benton Lake MT, home page https://bentonlakeelementary.school/
Bid Horn County MT, Bid Opportunities https://bighorncountymt.gov/Bids.aspx
Big Sandy MT, home page https://townofbigsandy.com/
Big Sandy School District, MT home page https://www.bigsandy.k12.mt.us/
Billings MT – Bid Postings: https://ci.billings.mt.us/bids.aspx
Blaine County MT, home page https://blainecounty-mt.gov/
Boulder County MT, Procurement https://bouldercounty.gov/government/budget-and-finance/procurement/ and for Bidding Opportunities https://bouldercounty.gov/government/budget-and-finance/procurement/bid-opportunities/
Bozeman Montana for Bids, RFPs and RFQs, scroll toward the bottom of the following hyperlink https://www.bozeman.net/departments/administration/city-clerk/bids-rfps-rfqs
Broadwater County MT, Public Notices https://www.broadwatercountymt.com/public-notices
Butte-Silver Bow City and County Bid Postings https://co.silverbow.mt.us/bids.aspx
Carbon County MT, Bids and RFPs https://co.carbon.mt.us/rfps/
Carter County MT, home page https://cartercountymontana.squarespace.com/
Cascade Montana public notices including for bids and rfps https://www.cascademontana.com/
Cascade County MT, Bid Opportunities https://www.cascadecountymt.gov/Bids.aspx
Central MT, home page https://centralmontana.com/montana_counties/chouteau_county/
Columbia Falls Montana Bids and RFPs https://www.cityofcolumbiafalls.org/rfps
Custer County MT, Requests for Proposals https://custercountymt.gov/news-announcements/
Dawson County MT, Bid Opportunities https://www.dawsoncountymontana.com/departments/commissioners/bid_projects/
Deer Lodge, MT, home page https://www.deerlodgecity.com/
Fallon County MT, Invitation to Bid https://www.falloncounty.net/?cat=26
Fergus County MT, News & Information https://www.co.fergus.mt.us/
Flathead Montana, Public Notices and to get on Bid Notification list https://flathead.mt.gov/department-directory/commissioners-office/public-notices
Fort Benton MT, home page https://www.cityoffortbenton.com/
Fort Benton School District, MT, home page https://www.fortbentonschools.com/
Gallatin County Montana Bids and RFPs and other public notices https://gallatincomt.virtualtownhall.net/public-notices-legal-notices-bids-and-rfps
Garfield County MT, home page includes bid notices https://www.garfieldco.us/index.html
Geraldine Public School District, MT, home page https://geraldine.k12.mt.us/
Glacier County MT, home page http://www.glaciercountygov.com/?page_id=11822
Glacier County Port Authority, MT home page https://www.glacierportauthority.org/who-we-are
Golden Valley County MT, home page https://www.goldenvalleycountymt.org and https://gvcomt.wordpress.com/gvc-business-opportunities/
Granite County MT, home page https://www.granitecountymt.us/
Great Falls Montana Bids and RFPs https://greatfallsmt.net/rfps
Havre Montana
Helena Montana Bids, RFPs and RFQ opportunities https://www.helenamt.gov/Business/Bids-RFP-RFQ
Helena Valley Southeast Montana
Highwood Public Schools, Highwood MT, home page https://www.highwood.k12.mt.us/
Hill County MT, home page https://hillcounty.us/
Jefferson County MT, home page https://jeffersoncounty-mt.gov/
Judith Basin County MT, home page http://www.jbcounty.org/
Kalispell Montana Public Works Bid Opportunities: https://www.kalispell.com/bids.aspx
Lake County MT, Bid Postings https://www.lakemt.gov/Bids.aspx
Laurel Montana Bids and RFPs https://cityoflaurelmontana.com/rfps
Lewis and Clark County MT, Bids and Proposals https://www.lccountymt.gov/Government/Grants-and-Purchasing/Bids-and-Proposals-Current
Lewistown Montana the city clerk publishes bid notices https://cityoflewistown.com/government/finance
Liberty County MT, public notices https://www.libertycountymt.gov/public-notices and for their home page https://www.libertycountymt.gov/
Lincoln County Montana Public Notices including for Bids and RFPs http://lincolncountymt.us/public-notices
Livingston Montana Bids and RFPs https://www.livingstonmontana.org/rfps
Lockwood Montana
Madison County Montana Bid Postings https://www.madisoncountymt.gov/424/PublicLegal-Notices
McCone County MT, home page https://mcconecountymt.com/
Meagher County MT, home page https://meagherco.com/
Miles City Montana Bid Postings https://milescity-mt.org/bid-packages/
Mineral County MT, home page https://co.mineral.mt.us/
Missoula Montana Bid Postings https://www.ci.missoula.mt.us/bids.aspx
Missoula Montana Airport (MSO), for MSO airport project bid opportunities https://flymissoula.com/construction/
Missoula County MT, Current List of Bid and Proposal opportunities https://www.missoulacounty.us/government/administration/auditor-s-office/bids-proposals/current-list-of-bids-proposals
Montana Acquisition & Contracting System (eMACS) a central location for vendors interested in bidding on state projects. All invitations to bid and requests for proposals for Montana State agencies and universities https://bids.sciquest.com/apps/Router/PublicEvent?CustomerOrg=StateOfMontana
Montana Architecture & Engineering Bids RFQs and RFPs https://architecture.mt.gov/Bids
Montana Department of Justice Public Notices including for Bids and RFPs https://dojmt.gov/nrdp-public-notices/
Montana Department of Transportation (MDT) Bidding and Bid Lettings https://mdt.mt.gov/business/contracting/
Montana Fish,Wildlife & Parks, Upcoming Bid Openings https://fwp.mt.gov/aboutfwp/design-and-construction/upcoming-bid-openings
Montana State University, purchasing https://www.montana.edu/ubs/procurementservices/currentbids.html
Musselshell County MT, home page https://musselshellcounty.org/ and for public notices and bid opportunities https://musselshellcounty.org/category/public-notice/
Park County MT, home page https://www.parkcounty.org/ and for Public Works bid opportunities https://www.parkcounty.org/Government-Departments/Public-Works/
Petroleum County MT, home page https://petroleumcountymt.org/
Phillips County MT, home page https://phillco.org/
Pondera County MT, home page https://www.ponderacountymontana.org/
Powder River County MT, home page https://prco.mt.gov/ and for Public Notices and Requests for Proposals/Bids https://prco.mt.gov/Public-Notices
Powell County MT, home page https://www.powellcountymt.gov/ Prairie County MT, home page https://prairiecounty.org/
Ravalli County MT, Bid Opportunities https://ravalli.us/bids.aspx
Richland County MT, Bid Opportunities https://www.richland.org/bids.aspx
Roosevelt County MT, home page https://rooseveltco.org/
Rosebud County MT, home page https://rosebudcountymt.gov/
Sanders County MT, home page https://co.sanders.mt.us/
Scobey MT, home page Scobey, MT | Official Website (cityofscobey.com)
Sidney Montana Bids and RFPs https://cityofsidneymt.com/rfps
Stevensville Public Schools, Stevensville MT, Bid Invitation and Info https://www.stevensvilleschools.org/bid-invitation/
Sun Prairie Village County Water & Sewer District Advertisement for Bids https://www.spvws.com/current-projects
Whitefish Montana Bid Postings https://www.cityofwhitefish.org/Bids.aspx
Sheridan County MT, home page https://www.sheridancountymt.org/
Silver Bow County MT, home page https://co.silverbow.mt.us/bids.aspx
Stillwater County MT, RFQ, RFP and Bid Opportunities https://www.stillwatercountymt.gov/government/rfq-rfp-bids/
Sweet Grass County MT, home page https://sweetgrasscountygov.com/
Teton County MT, home page https://tetoncomt.org/
Toole County MT, home page https://www.toolecountymt.gov/index.html
Valley County MT, home page https://www.valleycountymt.net/
Yellowstone Montana Purchasing and Open Bids https://www.yellowstonecountymt.gov/purchasing/
Yellowstone Airport (WYS) in West Yellowstone, Montana, for WYS airport project bid opportunities http://www.yellowstoneairport.org/news-events.shtml
Yellowstone County MT, home page which lists bid opportunities https://www.yellowstonecountymt.gov/purchasing/
For Idaho City, County, State and municipal bid notices https://uspublicworks.com/idaho-bid-notices-rfps-city-county-state-municipalities/