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Where to bid in Michigan

Michigan's state agencies post their bids on Michigan DTMB Procurement (SIGMA Vendor Self Service). Counties and cities run their own bid pages: 83 counties and 84 cities are listed below, largest first.

State of Michigan

Michigan DTMB Procurement (SIGMA Vendor Self Service)

    Bid page checked, 2026-11-05.

    Counties

    NameBid pagePlatformPeople
    Wayne Countyofficial site only–1,751,169
    Oakland CountyPurchasing–1,270,426
    Macomb Countyofficial site only–875,101
    Kent Countyofficial site only–661,354
    Genesee Countyofficial site only–401,522
    Washtenaw Countyofficial site only–365,536
    Ottawa Countyofficial site only–303,372
    Ingham County––284,637
    Kalamazoo Countyofficial site only–262,215
    Livingston Countyofficial site only–196,757
    Saginaw Countyofficial site only–187,782
    Muskegon Countyofficial site only–176,564
    St. Clair Countyofficial site only–159,874
    Jackson CountyOpen bids–159,424
    Monroe Countyofficial site only–155,045
    Berrien Countyofficial site only–152,261
    Calhoun Countyofficial site only–133,366
    Allegan Countyofficial site only–121,939
    Eaton CountyOpen bids–108,820
    Bay CountyOpen bidsBidNet Direct102,500
    Lenawee Countyofficial site only–97,520
    Grand Traverse CountyOpen bidsBidNet Direct96,421
    Lapeer CountyBid Opportunities–88,977
    Midland Countyofficial site only–84,039
    Clinton Countyofficial site only–79,720
    Van Buren Countyofficial site only–75,798
    Montcalm CountyBids Being Sought–68,154
    Shiawassee CountyQuotes, Bids & Proposals – Shiawassee County–68,025
    Marquette Countyofficial site only–66,999
    Ionia CountyRFP – Management of the Ionia County Airport – Ionia County–66,262
    Isabella CountyRequest For Bids and/or Proposals – Isabella County Michigan–64,118
    Barry Countyofficial site only–63,808
    St. Joseph CountyRFQ/RFP Bids–60,878
    Tuscola CountyRFPs–52,826
    Cass CountyOpen bids–51,642
    Newaygo Countyofficial site only–51,108
    Hillsdale CountyCounty Bids & QuotesBidNet Direct45,587
    Branch Countyofficial site only–45,215
    Gratiot Countyofficial site only–41,368
    Mecosta Countyofficial site only–41,099
    Sanilac CountyRequest for Proposals/Bids–40,368
    Houghton Countyofficial site only–37,599
    Delta CountyOpen bids–36,790
    Chippewa CountyRFQ's–36,264
    Emmet Countyofficial site only–34,123
    Wexford Countyofficial site only–34,122
    Clare CountyLand Bank RFP–31,316
    Huron CountyRFP's–30,927
    Mason CountyOpen bidsQuestCDN29,159
    Alpena CountyOpen bids–28,904
    Oceana CountyOpen bids–26,981
    Charlevoix CountyBids, Proposals & Sales–26,159
    Cheboygan CountyPublic Notices and Bid Requests Cheboygan County Michigan–26,048
    Dickinson Countyofficial site only–25,982
    Gladwin CountyOpen bidsBidNet Direct25,853
    Otsego CountyBids & Proposals–25,747
    Manistee Countyofficial site only–25,562
    Iosco Countyofficial site only–25,373
    Antrim CountyBids & Request for Proposals–24,409
    Roscommon CountyOpen bids–23,863
    Osceola CountyRequest for Bids Proposals–23,330
    Leelanau CountyOpen bidsTyler Munis self service23,019
    Menominee Countypurchasing–22,945
    Ogemaw Countyofficial site only–20,990
    Kalkaska Countyofficial site only–18,490
    Benzie CountyRFP/Bid Opportunities–18,441
    Missaukee CountyOpen bids–15,311
    Arenac Countyofficial site only–15,145
    Gogebic Countyofficial site only–14,224
    Crawford CountyRFP/RFQ INFORMATION–13,538
    Presque Isle Countyofficial site only–13,285
    Lake Countyofficial site only–12,734
    Iron Countyofficial site only–11,740
    Mackinac Countyofficial site only–10,851
    Alcona Countyofficial site only–10,489
    Montmorency Countyofficial site only–9,678
    Alger Countyofficial site only–8,757
    Oscoda Countyofficial site only–8,545
    Baraga Countyofficial site only–8,310
    Schoolcraft Countyofficial site only–8,149
    Luce Countyofficial site only–6,435
    Ontonagon Countyofficial site only–5,906
    Keweenaw Countyofficial site only–2,172

    Cities

    NameBid pagePlatformPeople
    DetroitDetroit Office of Contracting and Procurement–633,218
    Grand RapidsOpen bidsOracle supplier portal196,608
    WarrenOpen bidsBidNet Direct136,655
    Sterling HeightsOpen bids–133,306
    Ann ArborBid Process–119,381
    LansingPurchasing–112,115
    DearbornOpen bidsBidNet Direct105,811
    LivoniaOpen bids–92,185
    TroyPurchasing–87,339
    WestlandOpen bids–82,574
    Farmington HillsOpen bids–82,528
    FlintOpen bidsBidNet Direct79,661
    WyomingOpen bids–77,451
    Rochester Hillsofficial site only–76,002
    SouthfieldOpen bids–75,687
    KalamazooOpen bids–73,126
    Noviofficial site only–66,314
    PontiacOpen bidsOpenGov Procurement61,689
    Taylorofficial site only–61,241
    Dearborn Heightsofficial site only–60,872
    St. Clair ShoresOpen bidsBidNet Direct57,548
    Royal Oakofficial site only–57,452
    KentwoodOpen bidsBidNet Direct53,987
    Battle CreekOpen bids–52,175
    Portageofficial site only–49,302
    East Lansingofficial site only–48,528
    Rosevilleofficial site only–46,666
    SaginawOpen bids–43,185
    Midlandofficial site only–42,663
    Lincoln Parkofficial site only–38,646
    MuskegonOpen bidsBidNet Direct37,183
    EastpointeRegister to Bid on RFPsBidNet Direct33,676
    Bay Cityofficial site only–32,082
    JacksonOpen bids–30,854
    Burtonofficial site only–29,376
    Oak Parkbidding opportunitiesBidNet Direct29,023
    Southgateofficial site only–29,002
    Madison HeightsOpen bids–28,238
    Allen Parkofficial site only–27,528
    Hamtramckofficial site only–27,339
    Auburn HillsOpen bidsBidNet Direct25,597
    WalkerOpen bids–25,289
    InksterOpen bids–25,056
    Norton ShoresRequest for Bid–25,005
    Romulusofficial site only–24,702
    Wyandotteofficial site only–24,057
    BirminghamOpen bids–21,434
    MarquetteBids and RFPs – City of Marquette–21,079
    Mount Pleasantofficial site only–20,859
    Adrianofficial site only–20,238
    MonroeOpen bidsBidNet Direct20,089
    YpsilantiOpen bidsBidNet Direct19,393
    Ferndaleofficial site only–19,083
    TrentonOpen bids–17,891
    Wayneofficial site only–17,078
    GrandvilleCity Bids–16,682
    Grosse Pointe WoodsBids and RFPs–15,854
    Traverse Cityofficial site only–15,707
    Mount ClemensOpen bidsBidNet Direct15,378
    BerkleyBid Opportunities–14,934
    Harper Woodsofficial site only–14,895
    Hazel Parkofficial site only–14,808
    Owossoofficial site only–14,581
    Coldwaterofficial site only–14,439
    FraserOpen bids–14,434
    Sault Ste. Marieofficial site only–13,320
    Woodhavenofficial site only–12,559
    Melvindaleofficial site only–12,402
    Escanabaofficial site only–12,343
    IoniaOpen bidsBidNet Direct12,249
    New BaltimoreOpen bids–11,992
    RiverviewInvitation to Bid & Awards–11,976
    South Lyonofficial site only–11,941
    FentonOpen bids–11,863
    Nilesofficial site only–11,665
    East Grand RapidsOpen bids–11,429
    Farmingtonofficial site only–11,391
    ClawsonOpen bidsBidNet Direct11,176
    Grosse Pointe ParkOpen bids–11,124
    SturgisOpen bidsBidNet Direct11,012
    CadillacOpen bids–10,430
    Beverly Hillsofficial site only–10,390
    Flat Rockofficial site only–10,289
    Howellofficial site only–10,008

    Federal work in Michigan: open federal notices · federal money by county and agency · state and local bids in SpendQuery

    Every county with a county government and the cities and towns of 10,000+ (Census 2023 estimates). A place missing, or a wrong link?

    All states