| 1 | Various airport facilities | LNL1004/AHH1002 | Statewide snow removal equipment | January 7, 2020 | $583,297.00 | Fabick Cat |
| 2 | Capitol Airport | 02C1002 | Tree clearing | January 9, 2020 | Bids Rejected | All bids rejected |
| 3 |
Chippewa Valley Regional Airport | EAU1009 | 4x4 industrial tractor | January 31, 2020 | $98,120.00 | Swiderski Equipment |
| 4 | Wausau Downtown Airport | AUW1001 | Jet A fuel replacement | February 24, 2020 | $312,225.00 | Walt's Petroleum |
| 5 |
Various airport facilities | BOA20000 | Statewide crack seal program | March 31, 2020 | $813,993.79 | Struck & Irwin Paving |
| 6 | Central Wisconsin Airport | CWA1012 | Hangar area development | April 21, 2020 | $487,853.61 | McCabe Construction |
| 7 | Burlington Municipal Airport | BUU1001 | Rehab taxilanes A, B, C, D, F, G & H | April 27, 2020 | $1,030,143.00 | Payne & Dolan |
| 8 | Green Bay-Austin Straubel International | GRB1005 | Rehab service roads B & D | May 3, 2020 | $589,217.74 | Vinton Construction |
| 9 | Rhinelander-Oneida County Airport | RHI1005 | Fuel system upgrade | May 5, 2020 | $620,598.07 | Northwest Petroleum Service |
| 10 | Wittman Regional Airport | OSH1005 | Construct new terminal building and parking lot | May 13, 2020 | $4,923,072.68 | Cardinal Construction Co. |
| 11 | Rice Lake Regional Airport | RPD1002 | Sanitary sewer & water upgrade | May 18, 2020 | $378,456.00 | A-1 Excavating |
| 12 | Richland Airport | 93C1000 | Construct new terminal building | May 29, 2020 | $864,172 | Friede Associates |
| 13 | Manitowoc County Airport | MTW1002 | Replace taxiway B electrical lighting | May 29, 2020 | $214,383.35 | Electrical Synergies |
| 14 | Hartford Municipal Airport | HFX1002 | Reconstruct apron | June 9, 2020 | $780,856.12 | James Peterson Sons, Inc. |
| 15 | Kings Land O' Lakes | LNL1003 | Rehabilitation runway 14/32 | June 17, 2020 | $1,666,347.70 | Pitlick & Wick, Inc. |
| 16 | Rhinelander-Oneida County Airport | RHI1004C2 | Airfield pavement marking | June 17, 2020 | $136,211.40 | Fahrner Asphalt Sealers, LLC |
| 17 | Rhinelander-Oneida County Airport | RHI1004C3 | Reconstruct GA apron | June 18, 2020 | $1,294,276.00 | Pitlick & Wick, Inc. |
| 18 | Chippewa Valley Regional Airport | EAU1007 | Taxiway A (north) lighting | August 3, 2020 | $284,019.50 | NEO Electrical Solutions |
| 19 | Dodge County Airport | UNU1002 | Reconstruct parking lot | August 8, 2020 | $558,332.60 | R&R Wash Materials, Inc. |
| 20 |
L.O. Simenstad Municipal Airport | OEO0998/AIP-07 | Upgrade jet fuel system | August 10, 2020 | $424,095.00 | Minnesota Petroleum |
| 21 |
La Crosse Regional Airport | LSE1012 | Building demolition | August 13, 2020 | $33,450.00 | Gerke Excavating, Inc. |
| 22 |
Adams County Airport | 63C1002 | Reconstruct Apron (north) & Taxiway A | August 14, 2020 | $312,259.00 | R&R Wash Materials |
| 23 | Wausau Downtown Airport | AUW0998 | ASOS relocation | August 17, 2020 | $53,500.00 | Van Ert Electrical |
| 24 | Chippewa Valley Regional Airport | EAU1010 | Airport pavement marking | August 19, 2020 | $24,878.00 | Fahrner Asphalt Sealers, LLC |
| 25 | La Crosse Regional Airport | LSE1013 | Acquire Snow Removal Equipment | August 26, 2020 | $248,287.00 | Yes Equipment & Services |
| 26 | Middleton Municipal Airport | C291002 | Acquire Snow Removal Equipment | August 28, 2020 | $178,200.00 | Fabick Cat |
| 27 | Central Wisconsin Airport | CWA1011 | Reconstruct runway 17/35 | September 14, 2020 | $13,916,415.88 | Trieweiler Construction & Supply Company |
| 28 | Marshfield Municipal Airport | MFI1003 | Airport pavement maintenance | September 28, 2020 | $171,351.50 | Fahrner Asphalt Sealers, LLC |
| 29 | Dane County Regional Airport | MSN1009 | West ramp rehabilitation | September 28, 2020 | $3,338,344.13 | Trierweiler Construction |
| 30 | Shawano Municipal Airport | EZS1001 | Runway 12/30 rehabilitation | October 7, 2020 | $1,750,463.75 | Northeast Asphalt |
| 31 | Capitol Drive Airport | 02C1001 | Aviation fuel system card reader upgrade | October 7, 2020 | $145,182.00 | METCO |
| 32 | West Bend Municipal Airport | ETB1003 | Apron & taxilane reconstruction | October 13, 2020 | $2,681,907.80 | Vinton Construction |
| 33 | Chippewa Valley Regional Airport | EAU1011 | SRE building addition | October 26, 2020 | $618,392.00 | Rhom Construction, LLC |
| 34 | Dane County Regional Airport | MSN1012 | Construct taxiway B shoulders | October 30, 2020 | Bids rejected | All bids rejected |
| 35 | Chippewa Valley Regional Airport | EAU1009 | Acquire mowing, snow blower & blade equipment | October 30, 2020 | $108,291.19 | MTI Distributing |
| 36 | Platteville Municipal Airport | PVB1003 | Acquire snow removal equipment | November 12, 2020 | $209,500.00 | Fabick Cat. |
| 37 | Kenosha Regional Airport | ENW1005 | Construct new customs building | November 16, 2020 | $1,362,877.00 | J.P. Cullen & Sons, Inc. |