| Omega Construction Inc., | 4 | $12,480 | Apr 22, 2026 |
| Omega Demolition Corp. | 34 | $62,465 | Apr 5, 2016 |
| Omega Home Solution, Inc. | 3 | $3,979 | Apr 5, 2019 |
| Omni Materials, Inc. | 22 | $30,000 | Dec 11, 2020 |
| Onkb Corporation | 9 | $7,895 | Mar 26, 2026 |
| Open 4 Business Productions LLC | 2 | $16,550 | Dec 15, 2025 |
| Orchard Hill Cabinetry, Inc. | 3 | $2,619 | Sep 15, 2016 |
| Orion Industries, Ltd. | 66 | $95,950 | Jan 9, 2019 |
| Orlandi Statuary Company | 79 | $161,275 | Apr 29, 2026 |
| Osi Group, LLC | 16 | $67,342 | Feb 19, 2026 |
| Osi Group, LLC dba Osi Industries, LLC | 2 | $13,653 | Jun 24, 2021 |
| Osi Industries, LLC | 18 | $29,877 | Jun 15, 2018 |
| Our Amerivets Services Inc. | 2 | $2,600 | Sep 17, 2018 |
| Ozinga Ready Mix Concrete, Inc. | 16 | $63,000 | Jan 21, 2026 |
| Ozs Corporation | 6 | $4,800 | Jul 22, 2026 |
| P&A Plumbing LLC | 8 | $5,530 | Sep 13, 2024 |
| P&K Professional Construction Corporation | 19 | $13,620 | Apr 28, 2026 |
| P.T.'s Heating & Cooling, Inc. | 3 | $2,900 | Oct 25, 2017 |
| Pacific Rail Services | 10 | $29,525 | Aug 25, 2026 |
| Paint Booth Repairs, Inc. | 1 | $1,940 | Nov 15, 2018 |
| Paket Corporation | 6 | $14,785 | Feb 1, 2019 |
| Pallets 4 Less, Inc. | 9 | $9,946 | Jun 12, 2017 |
| Pan Oceanic Engineering Co., Inc. | 31 | $250,934 | Apr 23, 2026 |
| Panoptic Group Incorporated | 6 | $4,000 | Feb 10, 2015 |
| Paper Source, Inc. | 2 | $2,520 | May 22, 2015 |
| Paramont-EO, Inc. | 2 | $5,541 | Apr 3, 2017 |
| Paramount Truck Body Co. | 25 | $12,300 | Apr 27, 2023 |
| Pariso, Inc. dba VP Finish | 5 | $10,500 | Jan 31, 2025 |
| Park View Rehab Center, LLC | 3 | $6,613 | Jul 17, 2020 |
| Parkway Elevators, Inc. | 8 | $58,000 | Jun 30, 2020 |
| Parkway Metal Products, Inc. | 33 | $27,852 | Jan 29, 2026 |
| Pascual Silva, JR. dba Silva's Painting and Renovations LLC | 3 | $4,965 | Oct 17, 2025 |
| Path Construction Company, Inc. | 5 | $4,600 | Feb 21, 2024 |
| Patrick & Sons Plumbing & Sewers, Inc. | 5 | $3,329 | Mar 16, 2021 |
| Paul House & Health Care Center, LLC | 1 | $1,756 | Jun 6, 2024 |
| Paul Lally's Masonry Inc. | 6 | $3,862 | Nov 29, 2016 |
| Peak Construction & Exterior Corp. | 2 | $3,200 | Oct 7, 2015 |
| Pedro Calva dba Pedro Calva | 8 | $63,688 | Aug 20, 2026 |
| Pedro Cesareo dba Cesareo Construction | 5 | $9,752 | Apr 20, 2023 |
| Pedro Gomez | 4 | $7,760 | Apr 10, 2018 |
| Pedro Martinez dba LG Construction | 4 | $11,537 | Nov 3, 2021 |
| Pegas Windows Inc. | 9 | $15,225 | Nov 24, 2020 |
| People Against Dirty Manufacturing, PBC | 3 | $9,024 | Aug 27, 2019 |
| Pepper Construction Co. | 147 | $101,027 | Aug 18, 2026 |
| Pete V Tile LLC | 7 | $5,500 | Feb 20, 2020 |
| Pete's Fresh Market 87TH & Kedzie Corporation | 4 | $25,000 | Jul 12, 2024 |
| Petersen Brothers Plastics | 1 | $4,200 | Aug 23, 2023 |
| Phoenix Bean, LLC | 1 | $4,048 | Oct 22, 2020 |
| Phoenix Builders, Ltd. | 12 | $27,772 | Feb 25, 2020 |
| Phoenix Masonry, Inc. | 27 | $99,991 | Aug 19, 2022 |
| Piast Auto Rebuilders, Inc. | 11 | $3,920 | May 18, 2015 |
| Pirrello Digital Imaging, Inc. | 9 | $15,000 | Jan 10, 2023 |
| Pizano's Roofing | 3 | $4,400 | Aug 24, 2015 |
| PJ's Windows & Doors, Inc. | 3 | $2,662 | Apr 20, 2017 |
| PJS Excavating Sewer & Water, Inc. | 8 | $12,640 | Mar 10, 2020 |
| PL1 Inc. | 1 | $1,250 | Jul 9, 2020 |
| Placido Ginez Hernandez dba Placido Ginez Hernandez | 1 | $4,839 | Jun 3, 2024 |
| Planter, Inc. dba Victory | 1 | $0 | Dec 28, 2015 |
| Plastic Reclamation Partners, LLC | 3 | $2,940 | Jul 16, 2015 |
| PMM Global LLC | 31 | $53,844 | Aug 31, 2017 |
| PMM Remodeling, Inc. | 5 | $6,227 | Nov 7, 2024 |
| Polar Hardware MFG. Co. Inc. | 44 | $23,962 | Oct 4, 2018 |
| Polivio Construction Inc. | 5 | $11,350 | Jul 1, 2026 |
| Polo Masonry Builders, Inc. | 64 | $565,474 | Mar 19, 2019 |
| Poplawski Construction Inc. | 1 | $4,351 | Sep 22, 2022 |
| Potbelly Sandwich Works, LLC | 3 | $4,325 | Aug 11, 2016 |
| Power Clean, Inc. | 3 | $1,421 | Jun 2, 2019 |
| Precision Excavation LLC | 5 | $12,600 | Jan 28, 2021 |
| Precision Pavement Markings, Inc. | 1 | $6,215 | Jun 23, 2025 |
| Precision Plating Company, Inc. | 27 | $26,042 | Mar 20, 2025 |
| Premier Roofing Inc. | 12 | $18,995 | Jul 20, 2021 |
| Premium Masonry & Construction, Inc. | 2 | $2,300 | Jan 16, 2020 |
| Presence Chicago Hospitals Network dba Amita Health Saint Joseph Hospital Chicago | 1 | $13,494 | May 28, 2021 |
| Pressedgarments.Com LLC | 2 | $0 | Feb 3, 2023 |
| PRG Roofing Inc. | 1 | $2,400 | Jun 10, 2026 |
| Prime Scaffold, Inc. | 4 | $6,863 | May 7, 2025 |
| Primrose Candy Co. | 48 | $57,630 | May 7, 2021 |
| Principled, LLC dba Integrity Painting and Decorating | 3 | $11,906 | Nov 22, 2022 |
| Priority Plumbing, Inc. | 12 | $13,080 | Jul 23, 2025 |
| Pro - Mar Construction, Inc. | 6 | $5,580 | Oct 6, 2015 |
| Pro Restoration Services, Inc. | 1 | $2,780 | Apr 22, 2025 |
| Pro Sewer & Water, Inc. | 3 | $3,880 | Sep 6, 2017 |
| Pro Vision Construction, Inc. | 3 | $3,500 | Mar 26, 2019 |
| Pro-Arc Electrical Construction, Co. | 1 | $3,500 | Feb 21, 2024 |
| Pro-Troop LLC dba Infinity Service Management L.L.C. | 1 | $3,500 | Feb 28, 2017 |
| Procon Corporation | 5 | $5,204 | Aug 19, 2020 |
| Prodigy Real Estate Group, Inc | 1 | $567 | Dec 8, 2025 |
| Profus Construction Corp. | 59 | $121,383 | May 15, 2026 |
| Progressive Roofing & Construction Inc. | 4 | $13,736 | Apr 26, 2018 |
| Project Solutions Group, LLC | 2 | $1,400 | Jul 21, 2015 |
| Promet Steel Inc. | 4 | $4,400 | Nov 12, 2015 |
| Prospect Airport Services, Inc. | 7 | $13,691 | Feb 3, 2017 |
| PSP Stores, LLC | 1 | $0 | Mar 2, 2016 |
| PSP Stores, LLC dba Pet Supplies Plus | 1 | $5,000 | Jun 23, 2016 |
| PT Exterior | 1 | $1,680 | Jul 14, 2015 |
| Pullman Sugar, LLC | 5 | $15,245 | Mar 31, 2022 |
| Pups Pet Club LLC | 3 | $11,251 | Oct 17, 2023 |
| Pure Voltage, Inc. | 1 | $1,600 | Sep 2, 2015 |
| PVS Chemicals, Inc. | 3 | $25,925 | Aug 1, 2025 |
| PW Roofing, Inc. | 4 | $12,458 | Oct 10, 2019 |
| Pyramid, LLC dba Classic Restoration | 5 | $7,482 | Apr 11, 2025 |
| Quala Services LLC | 2 | $10,625 | Jul 5, 2023 |
| Qualawash Holdings, LLC | 13 | $6,439 | Sep 10, 2025 |
| Qualified Roofing Services Inc. | 3 | $3,800 | May 11, 2021 |
| Qualitex Company | 1 | $0 | Feb 11, 2016 |
| Quality Construction Pros Inc. | 6 | $33,374 | Nov 22, 2019 |
| Quality Excavation Inc | 1 | $5,200 | Jan 30, 2025 |
| Quality Masonry Services, Inc. | 4 | $7,139 | Apr 22, 2019 |
| Quality Restorations Inc. | 8 | $22,988 | Aug 13, 2024 |
| Quinco Steel, Inc. | 66 | $172,270 | Jun 27, 2023 |
| R & D Thiel | 49 | $34,134 | Aug 23, 2023 |
| R and R Hauling Services Inc. | 11 | $14,000 | Jan 29, 2019 |
| R. R. Donnelley & Sons Company | 18 | $14,120 | May 29, 2025 |
| R.D. Masonry, Inc. | 15 | $30,280 | Sep 10, 2019 |
| R.D.Y. Construction Inc., | 5 | $6,500 | Apr 13, 2023 |
| R.M. Lucas Co., LLC | 12 | $29,000 | Feb 25, 2025 |
| R.P. Fox Associates, Inc. | 2 | $5,300 | Aug 3, 2016 |
| Rafal Ropiak Construction | 36 | $167,424 | Jun 25, 2025 |
| Raftery Construction Company, Inc. | 5 | $6,025 | Jul 19, 2023 |
| Rainmaker Real Estate Holdings LLC dba Candea Development | 2 | $3,880 | Feb 21, 2019 |
| Ramiro Perez dba Perez Roofing | 12 | $8,625 | Jun 30, 2026 |
| Ramiro Perez dba Ramiro Perez Roofing | 2 | $4,998 | Jun 30, 2026 |
| Ramiro Vazquez dba Ramiro Vazquez | 5 | $6,108 | Jan 30, 2020 |
| Rapid Displays, Inc. | 4 | $17,282 | Mar 27, 2019 |
| Raspan Incorporated | 4 | $6,725 | Dec 21, 2016 |
| Raul's Railings Inc. | 8 | $9,280 | Oct 8, 2015 |
| Rauland-Borg Corporation | 2 | $4,375 | Aug 26, 2021 |
| RBG Plastic LLC dba Restaurantware | 3 | $9,500 | Aug 17, 2021 |
| RDY Construction Inc. | 4 | $3,000 | May 28, 2015 |
| Recall Total Information Management Inc. | 1 | $1,960 | Aug 10, 2015 |
| Red Brick Masonry, Inc. | 4 | $6,770 | Nov 1, 2016 |
| Red Stone Construction, Inc. | 1 | $4,965 | Sep 11, 2025 |
| Red Van Construction | 3 | $4,500 | Apr 29, 2022 |
| Reed Rigging, Inc. | 2 | $2,000 | Dec 4, 2025 |
| Regal Steel Erectors, LLC | 5 | $5,250 | Aug 11, 2016 |
| Region Iron Works Inc. | 2 | $3,481 | Jun 23, 2022 |
| Regional Transportation Authority - Commuter Rail Division | 2 | $0 | Jun 16, 2022 |
| Reid Roofing, Inc. | 25 | $37,800 | Jun 12, 2025 |
| Reliability Construction | 2 | $3,200 | Mar 15, 2016 |
| Reliable Asphalt Corporation | 4 | $0 | Nov 29, 2016 |
| Reliable Contracting and Equipment Company | 59 | $188,322 | May 27, 2026 |
| Reliable Plating Corporation | 14 | $8,890 | Mar 13, 2024 |
| Reliable Trade Services, Inc. | 3 | $3,360 | Jul 30, 2015 |
| Rem & J Masonry, Inc. | 13 | $11,110 | May 15, 2023 |
| Reniv Co. | 3 | $4,965 | Mar 20, 2025 |
| Resa Construction Inc. | 23 | $20,244 | May 30, 2025 |
| Reserve Marine Terminals | 22 | $13,608 | Jul 11, 2016 |
| Restore Pros Corp. | 11 | $13,060 | Oct 17, 2023 |
| Revel Decor, Inc. | 1 | $2,800 | May 5, 2016 |
| Reyes Roofing LLC | 19 | $43,709 | Sep 10, 2024 |
| RG Construction Services, Inc. | 7 | $8,400 | Sep 15, 2022 |
| Ribbon Webbing Corporation | 18 | $14,825 | May 6, 2024 |
| Ricardo Castro | 4 | $3,382 | Apr 3, 2019 |
| Ricardo Favela dba Ricardo Favela | 13 | $21,200 | Dec 9, 2015 |
| Rice Mechanical, Inc. | 5 | $6,200 | Apr 6, 2017 |
| Richardson Seating Corporation | 17 | $15,650 | Feb 8, 2024 |
| Ridge Mechanical Group, Inc. | 1 | $1,960 | Aug 19, 2015 |
| Ridge Restoration Inc. | 2 | $8,192 | Mar 11, 2021 |
| Riggio/Boron Ltd. | 1 | $3,000 | Jul 13, 2018 |
| Rightsize Facility Performance | 4 | $6,860 | Aug 5, 2015 |
| Ritual Hot Yoga, LLC | 3 | $0 | Aug 14, 2025 |
| RM Lucas Company | 2 | $3,492 | Aug 25, 2016 |
| Rma Supply, Inc. dba Johnstone Supply | 3 | $3,830 | Jan 14, 2020 |
| RMB Construction Inc. | 4 | $7,459 | Aug 9, 2022 |
| Robert's Sheet Metal Works, Inc. | 13 | $21,200 | Jul 26, 2022 |
| Roberth Construction Inc. | 10 | $39,831 | Jun 14, 2023 |
| Roberto Figueroa dba Figueroa Construction | 13 | $7,029 | Jul 28, 2020 |
| Rogelio Gomez dba Rogelio Gomez | 12 | $62,175 | Feb 14, 2017 |
| Rogers Roofing Inc. | 17 | $50,598 | Aug 18, 2016 |
| Ronan Construction, LLC | 18 | $18,895 | Jul 22, 2026 |
| Roofing by Hernandez Inc. dba Hernandez Construction & Roofing | 12 | $34,838 | Jul 3, 2024 |
| Rory Dardon dba Rory Dardon | 2 | $4,000 | Aug 18, 2021 |
| Rose Packing Company, Inc. | 66 | $30,675 | Nov 2, 2023 |
| Ross Contractors, Inc. | 6 | $13,849 | Jul 19, 2023 |
| Rossi Contractors, Inc. | 45 | $82,606 | Mar 4, 2026 |
| Roundy's Illinois, LLC | 2 | $9,700 | Sep 17, 2019 |
| Royal Envelope Corporation | 33 | $22,647 | Jan 19, 2016 |
| Rpi Business Co., Inc. | 7 | $18,196 | Nov 15, 2019 |
| RQL Scrap Metal, Inc. | 19 | $105,547 | Nov 21, 2024 |
| Rubas Construction Inc. | 7 | $8,500 | May 17, 2017 |
| Rubelio Jimenez dba Rubys Construction | 9 | $21,651 | Apr 11, 2025 |
| Ruben Arteaga dba Ruben Arteaga | 2 | $3,978 | Mar 27, 2019 |
| Rubens Spray Insulation, Inc. | 26 | $116,330 | Feb 14, 2020 |
| Rudd Container Corporation | 33 | $26,384 | Jun 29, 2026 |
| Rufus Home Repair Inc. | 1 | $1,900 | Sep 20, 2017 |
| Rulas Enterprises Company | 2 | $4,000 | Nov 19, 2025 |
| Ruprecht Company | 22 | $28,551 | May 18, 2022 |
| Rush Services, Inc. | 1 | $0 | Jul 24, 2018 |
| Rush University Medical Center | 1 | $1,655 | Apr 16, 2025 |
| Russell Green Construction Co. | 15 | $9,906 | Nov 29, 2016 |
| Ryan Electrical Services, Inc. | 2 | $1,995 | Jul 1, 2016 |
| Rye Builders, Inc. | 10 | $21,000 | Jan 3, 2025 |
| Ryehill Construction, Inc. | 13 | $31,829 | Mar 21, 2022 |
| S Construction Co. | 4 | $10,547 | Mar 9, 2018 |
| S&C Electric Company | 11 | $43,456 | Nov 20, 2025 |
| S.B.V., Inc. | 11 | $15,123 | Jul 1, 2024 |
| S.K. Group Inc | 2 | $2,245 | Aug 3, 2016 |
| S.M. Masonry Walls Construction Inc. | 7 | $32,740 | Oct 13, 2017 |
| Sabert Corporation | 2 | $9,931 | Jul 22, 2026 |
| Safway Atlantic, LLC | 2 | $14,676 | Apr 30, 2024 |