| Best 4 U Construction Inc. | 4 | $12,756 | Apr 28, 2017 |
| Best Chicago Meat Company, LLC | 2 | $2,544 | May 27, 2022 |
| Best Croutons, LLC | 11 | $26,450 | Aug 31, 2017 |
| Best Diamond Plastics, LLC | 8 | $95,310 | Oct 28, 2022 |
| Best Hand Superior Hotel Laundry Service | 4 | $1,470 | May 22, 2015 |
| Beverly Tuckpointing Total Brick Restoration | 2 | $2,458 | May 20, 2021 |
| Bill Doran LLC | 5 | $20,000 | Jun 27, 2023 |
| Bimbo QSR Chicago, LLC | 1 | $4,736 | Aug 15, 2019 |
| BJ Roofing & Tuckpointing | 7 | $15,681 | May 5, 2023 |
| Blast it All Midwest Corp dba Blast it All, Inc. | 3 | $1,663 | Oct 31, 2017 |
| Blommer Chocolate Company | 21 | $83,149 | Nov 15, 2019 |
| Bloomhill Homes, Inc. | 2 | $2,000 | Jun 18, 2015 |
| Blue SKY Roofing, Inc. | 4 | $5,000 | Feb 10, 2020 |
| BM International Builders, Inc. | 43 | $63,074 | Apr 1, 2025 |
| BM UK Enterprise Co. | 7 | $8,240 | Feb 13, 2019 |
| Bolita Pallet Repair, Inc. | 5 | $5,215 | Mar 24, 2017 |
| Bonell Manufacturing Company | 8 | $20,000 | Aug 12, 2022 |
| Bonus Electric Company , L.L.C. | 4 | $2,660 | Sep 22, 2016 |
| Boulder Masonry, Inc. | 4 | $2,923 | Jan 25, 2017 |
| Bral Restoration LLC | 7 | $4,962 | Sep 27, 2017 |
| Brand Energy Services LLC | 5 | $55,802 | Mar 8, 2018 |
| Brennan Masonry Company | 31 | $43,680 | Feb 17, 2026 |
| Brenntag Great Lakes, LLC | 6 | $17,238 | May 24, 2019 |
| Brian Allendorfer Company, Inc. | 12 | $22,286 | Mar 29, 2024 |
| Brickyard Dental Center & Clinic, P.C. | 3 | $840 | Jun 4, 2015 |
| Bridgestone Retail Operations, LLC dba Firestone Complete Auto Care | 2 | $9,146 | Mar 30, 2018 |
| Bridgford Food Processing Corporation | 34 | $197,810 | Feb 15, 2023 |
| Brighton Packing LLC | 8 | $22,677 | Nov 6, 2024 |
| Bruno Boucher, Inc. | 4 | $2,900 | Oct 28, 2016 |
| BRYN Mawr Care, L.L.C. | 1 | $5,000 | May 23, 2024 |
| BTS Construction, Inc. | 8 | $23,813 | Mar 22, 2017 |
| Buedel Food Products Company | 12 | $6,700 | Sep 20, 2016 |
| Bulka Inc. | 11 | $9,000 | May 8, 2017 |
| Bullen Midwest, Inc. dba Nuance Solutions | 1 | $4,900 | Feb 3, 2021 |
| Bulley & Andrews Masonry Restoration, LLC | 7 | $24,374 | Apr 6, 2023 |
| Bulley & Andrews, L.L.C. | 1 | $3,500 | Feb 21, 2024 |
| Bush Construction Company, Inc. | 17 | $1,620 | Dec 19, 2016 |
| Bway Corporation | 44 | $564,235 | Jul 24, 2025 |
| C & M Masonry, Inc. | 6 | $8,230 | Nov 20, 2023 |
| C & M Roofing Co. | 2 | $2,344 | Jul 21, 2023 |
| C and L Building Maintenance Corp. | 23 | $17,735 | May 10, 2017 |
| C C Care LLC | 1 | $0 | Dec 27, 2021 |
| C Zara Inc. | 2 | $1,000 | Feb 12, 2016 |
| C&R Scrap Iron & Metal L.L.C. | 1 | $2,800 | Jul 12, 2023 |
| C. Cretors & Co. | 11 | $13,853 | Aug 31, 2016 |
| C. J. Erickson Plumbing Co. | 70 | $41,670 | Jun 18, 2019 |
| C. Szabo Contracting, Inc. | 5 | $7,435 | Sep 12, 2019 |
| C2 Imaging LLC a Vomela Affiliated Company | 1 | $4,000 | Nov 23, 2015 |
| C3 Home Solutions, LLC | 3 | $7,606 | Sep 11, 2017 |
| Caballero Exteriors, Inc. | 4 | $7,198 | Jun 12, 2025 |
| Cable Communications, Inc. | 9 | $10,096 | Mar 25, 2015 |
| Cac Construction, Inc. | 18 | $49,431 | Apr 29, 2025 |
| Cal-Ill Gasket Co., Inc. | 2 | $2,400 | Feb 2, 2015 |
| Caliseum II Inc. | 25 | $61,304 | Jun 24, 2026 |
| Calumet River Fleeting, Inc. | 1 | $1,986 | Aug 13, 2025 |
| Cano Construction Inc. | 1 | $3,972 | Oct 30, 2025 |
| Capital Industrial Services, LLC | 5 | $15,889 | Apr 22, 2026 |
| Capitol Cement Co., Inc. | 20 | $57,030 | Jul 5, 2023 |
| Car/Kare, Inc. dba C & W Auto Body | 8 | $3,084 | Mar 13, 2020 |
| Cardinal Pallet Company Inc. | 17 | $18,248 | Feb 1, 2023 |
| Care Roofing, Inc. | 1 | $10,780 | Oct 22, 2015 |
| Care Sheet Metal & Roofing, Inc. | 22 | $25,704 | Jun 7, 2019 |
| Carlos A. Lopez Reyes | 22 | $45,000 | Jan 13, 2023 |
| Carlos Amaro | 12 | $24,490 | Nov 27, 2024 |
| Carlos Group Inc. | 1 | $4,096 | Dec 8, 2020 |
| Carlos Perez dba Carlos Perez | 4 | $9,634 | Nov 26, 2024 |
| Carlos Sosa dba Sosa Brothers Construction | 3 | $5,000 | Jun 12, 2020 |
| Carolina Construction, Inc. | 3 | $2,600 | Mar 2, 2015 |
| Carrillo Roofing Corp. | 21 | $23,393 | Jul 26, 2021 |
| Casey Masonry & Brick, Inc. | 6 | $7,400 | Jul 20, 2023 |
| Cassidy Excavating Inc. | 2 | $2,700 | Jul 16, 2018 |
| Castle Masonry, Inc. | 13 | $10,032 | Oct 28, 2022 |
| Cathedral Carpentry, Inc | 1 | $2,000 | May 4, 2018 |
| CBP Corp. | 3 | $6,686 | Feb 3, 2020 |
| Cbre, Inc. | 2 | $9,200 | Dec 15, 2021 |
| CBSL Transportation Services, Inc. | 40 | $126,164 | Feb 24, 2025 |
| CCG Group, Inc. | 1 | $3,259 | Dec 28, 2016 |
| Cedar Concepts Corporation | 4 | $11,980 | Aug 7, 2026 |
| Central Building & Preservation L.P. | 19 | $22,056 | Mar 27, 2025 |
| Central Decal Company, Inc. | 12 | $19,212 | Jun 4, 2019 |
| Central Nursing Home, LLC | 1 | $945 | May 26, 2021 |
| Central Steel and Wire Company, LLC | 62 | $97,278 | Jan 8, 2025 |
| Central Stickney FPD | 11 | $0 | Jul 28, 2022 |
| Century Metal Spinning Co., Inc. | 19 | $7,873 | Jul 8, 2020 |
| Ceper Heating & Cooling, Inc. | 2 | $2,273 | Mar 19, 2019 |
| Certified Automotive Warehouse, LLC | 5 | $25,614 | Jan 18, 2024 |
| Cesar Medina dba Cesar Medina | 1 | $3,916 | Mar 15, 2022 |
| CFL Starters & Alternators Inc. | 18 | $13,126 | Jul 25, 2019 |
| Charles Austin Holdings, LLC | 4 | $27,357 | Oct 31, 2023 |
| Charles E. Larson & Sons, Inc. | 44 | $12,884 | Nov 6, 2023 |
| Charter Steel Trading | 42 | $21,056 | Feb 10, 2017 |
| Cheesecakes by JR, Inc. dba J R Dessert Bakery | 1 | $1,881 | Jul 28, 2017 |
| Cheppos Construction LLC | 2 | $3,640 | Jul 15, 2016 |
| Chicago American Manufacturing, LLC | 22 | $45,198 | Mar 26, 2025 |
| Chicago Beverage Systems, L.L.C. | 1 | $16,550 | Feb 5, 2025 |
| Chicago Booth Manufacturing, Inc. | 21 | $42,550 | Mar 29, 2023 |
| Chicago Bricks Development Group, LLC | 5 | $3,694 | Mar 19, 2019 |
| Chicago Concrete Creations, Inc. | 3 | $7,123 | Sep 27, 2022 |
| Chicago Dryer Company | 67 | $129,760 | May 7, 2019 |
| Chicago Fire Escape Co, Inc. | 14 | $3,360 | Sep 14, 2015 |
| Chicago Furniture & Mattress Warehouse dba Ultimate Furniture & Mattress, Inc. | 3 | $6,242 | Jul 6, 2026 |
| Chicago Heights Glass, Inc. | 17 | $23,068 | Jun 11, 2020 |
| Chicago Hotel Holdings, Inc. | 2 | $8,000 | Aug 1, 2016 |
| Chicago Mattress Company | 5 | $2,317 | May 5, 2015 |
| Chicago Meat Authority, Inc. | 25 | $19,877 | Oct 7, 2020 |
| Chicago Metal Rolled Products Company | 28 | $21,370 | Aug 3, 2022 |
| Chicago Ornamental Iron, Inc. | 50 | $11,290 | Jun 2, 2026 |
| Chicago Park District - Kilbourn Park Organic Greenhouse | 1 | $0 | Sep 11, 2017 |
| Chicago Piping Systems, Inc. | 1 | $2,494 | Jun 2, 2016 |
| Chicago Public Schools - Burroughs Elementary | 1 | $0 | Oct 15, 2021 |
| Chicago Public Schools - Helge a Haugan Elementary School | 1 | $0 | Apr 24, 2015 |
| Chicago Public Schools - Johnnie Colemon Elementary Academy | 2 | $0 | Oct 27, 2015 |
| Chicago Public Schools - Spencer Technology Academy | 1 | $0 | Mar 19, 2015 |
| Chicago Roofing Services, Inc. | 1 | $2,800 | Jan 22, 2015 |
| Chicago Running and Special Event Management, Inc. | 2 | $1,517 | Oct 13, 2015 |
| Chicago Scaffolding Inc. | 4 | $3,000 | Feb 12, 2024 |
| Chicago Steel Construction, LLC | 4 | $10,532 | Jul 22, 2015 |
| Chicago Steel Container LLC | 35 | $36,285 | Oct 18, 2024 |
| Chicago Town Construction, Inc. | 9 | $5,092 | Aug 28, 2017 |
| Chicago Transit Authority | 8 | $0 | Jul 18, 2022 |
| Chicago Transit Authority - 10 East Lake Substation | 1 | $0 | May 1, 2018 |
| Chicago Transit Authority - Howard Shop | 3 | $0 | Mar 12, 2019 |
| Chicago Transit Authority - Howard Station Shop | 1 | $0 | Nov 20, 2023 |
| Chicago Transit Authority - Kedzie Bus Garge | 3 | $0 | May 15, 2015 |
| Chicago Transit Authority - North & Clybourn Station | 2 | $0 | Jun 23, 2015 |
| Chicago Transit Authority -Addison Blue Line Station | 1 | $0 | Jun 13, 2016 |
| Chicago Tube and Iron Company | 10 | $21,888 | Jul 22, 2026 |
| Chicago Waterproof Co., | 2 | $3,658 | Nov 29, 2022 |
| Chicagoland Builders Inc | 1 | $2,500 | Jan 30, 2025 |
| Chicagoland Framing LLC | 3 | $11,349 | Mar 9, 2026 |
| Chii Clothing Company dba Culture Studio | 10 | $17,293 | Apr 23, 2019 |
| Choate Thomas Wayne dba Choate Thomas Wayne | 6 | $1,400 | Apr 28, 2026 |
| Choice Masonry, Incorporated | 5 | $10,600 | Aug 18, 2026 |
| Christy Webber Landscapes | 4 | $20,273 | Aug 16, 2022 |
| Church Street Construction, Inc. | 14 | $11,122 | Mar 29, 2018 |
| Churchill Cabinet Company | 78 | $14,545 | Apr 6, 2023 |
| Circuit Court of Cook County - Adult Probation | 1 | $0 | Jun 28, 2018 |
| Cita Construction Co. | 6 | $10,838 | Aug 8, 2025 |
| City Builders Contractors, Inc. | 12 | $14,697 | Aug 25, 2015 |
| City Construction Company, Inc. | 17 | $22,775 | Aug 19, 2015 |
| City of Chicago - Animal Care and Control | 1 | $0 | Mar 4, 2026 |
| City of Chicago - Department of Public Health | 1 | $0 | Mar 25, 2015 |
| City of Chicago - Department of Water Management | 36 | $22,500 | Jan 22, 2024 |
| City of Chicago - Dept. of Aviation | 3 | $0 | Apr 7, 2017 |
| City of Chicago - Dept. of Aviation - O'Hare Int'L Airport | 5 | $0 | Aug 7, 2019 |
| City of Chicago - Dept. of Streets & Sanitation | 11 | $3,000 | Aug 7, 2024 |
| City of Chicago - Dept. of Transportation | 13 | $0 | Mar 23, 2022 |
| City of Chicago - Dept. of Water Management | 30 | $48,000 | Jul 9, 2026 |
| City of Chicago - Dept. of Water Management - Jardine Plant | 4 | $0 | Aug 19, 2026 |
| City of Chicago - Dept. of Water Management-Pershing Yard | 3 | $0 | Jul 2, 2015 |
| City of Chicago - Dept. of Water Management-South Side Yard | 9 | $0 | Aug 5, 2016 |
| City of Chicago - Fire Department | 4 | $0 | May 20, 2019 |
| City of Chicago - Fire Department - Battalion 24 | 32 | $10,500 | Jan 7, 2022 |
| City of Chicago - Fire Department - Engine 110 | 1 | $0 | May 3, 2016 |
| City of Chicago - Fire Department - Engine 119 | 1 | $0 | May 17, 2016 |
| City of Chicago - Fire Department - Engine 120 | 1 | $0 | May 18, 2016 |
| City of Chicago - Fire Department - Engine 125 | 2 | $0 | May 17, 2016 |
| City of Chicago - Fire Department - Engine 45 | 1 | $0 | May 3, 2016 |
| City of Chicago - Fire Department - Engine 46 | 1 | $0 | May 18, 2016 |
| City of Chicago - Fire Department - Engine 72 | 2 | $0 | May 18, 2016 |
| City of Chicago - Fire Department - Engine 75 | 1 | $0 | May 18, 2016 |
| City of Chicago - Fire Department - Engine 8 | 4 | $0 | May 3, 2016 |
| City of Chicago - Fire Department - Engine 82 | 2 | $0 | May 18, 2016 |
| City of Chicago - Fire Department - Engine 89 | 3 | $0 | May 17, 2016 |
| City of Chicago - Fire Department - Quinn Fire Academy | 2 | $0 | Feb 10, 2016 |
| City of Chicago - Fire Department - Truck 33 | 1 | $0 | Aug 7, 2015 |
| City of Chicago - Fire Department-Air Station HQ | 2 | $0 | Feb 10, 2016 |
| City of Chicago - Fire Department-Battalion 9 | 1 | $1,000 | Jun 3, 2026 |
| City of Chicago - Fire Dept. - Battalion 23 | 3 | $10,000 | Nov 20, 2024 |
| City of Chicago - Fire Dept. - Battalion 1 | 1 | $0 | Jan 27, 2026 |
| City of Chicago - Fire Dept. - Battalion 11 | 3 | $30,000 | Jun 18, 2025 |
| City of Chicago - Fire Dept. - Battalion 12 | 1 | $0 | Aug 27, 2024 |
| City of Chicago - Fire Dept. - Battalion 18 | 1 | $0 | May 6, 2026 |
| City of Chicago - Fire Dept. - Battalion 2 | 30 | $11,000 | Feb 15, 2022 |
| City of Chicago - Fire Dept. - Battalion 22 | 14 | $4,400 | Sep 18, 2024 |
| City of Chicago - Fire Dept. - Battalion 4 | 37 | $11,000 | Feb 15, 2022 |
| City of Chicago - Fire Dept. - Engine 14 | 1 | $0 | Mar 13, 2018 |
| City of Chicago - Fire Dept. - Engine 80 | 1 | $0 | Jul 10, 2018 |
| City of Chicago - Fire Dept. - Engine Co. 93 | 2 | $0 | Feb 10, 2016 |
| City of Chicago - Fire Dept. D2 - BN 8 | 4 | $30,000 | May 23, 2023 |
| City of Chicago - Fleet and Facility Management | 12 | $0 | Sep 14, 2016 |
| City of Chicago - Fleet and Facility Management - 2FM | 20 | $0 | Sep 12, 2018 |
| City of Chicago - Office of Emergency Management & Communication | 2 | $0 | Nov 22, 2016 |
| City of Chicago - Office of Emergency Management and Communications | 2 | $0 | May 18, 2015 |
| City of Chicago - PD | 1 | $10,000 | Sep 24, 2020 |
| City of Chicago - Police Department | 10 | $0 | Sep 10, 2019 |
| City of Chicago - Police Dept. | 7 | $11,000 | Aug 29, 2023 |
| City of Chicago - Police Dept. - 17TH District | 1 | $0 | May 4, 2026 |
| City of Chicago - Police Dept. - Dist. 7 | 1 | $1,000 | Jul 31, 2024 |
| City of Chicago - Police Dept. - Training Facility | 3 | $0 | Aug 8, 2018 |
| City of Chicago - Streets and Sanitation | 22 | $13,000 | Oct 28, 2022 |
| City of Chicago-Dept. of Water Management-South Water Purification Plant | 1 | $0 | Feb 10, 2015 |
| City of Chicago-Fire Dept.-Engine 89 | 1 | $0 | May 3, 2016 |
| City Porches Co. | 3 | $4,540 | Jun 3, 2025 |
| City Wallcovering Inc. | 3 | $11,752 | Sep 6, 2024 |
| Cityfront Hotel Associates, LP | 4 | $20,741 | Mar 15, 2024 |
| Cityscape Landscape, LLC | 2 | $4,600 | Dec 11, 2018 |
| CK II Contracting, Inc. | 3 | $8,400 | May 1, 2026 |
| Clare Propco LLC | 2 | $9,136 | Jan 28, 2022 |
| Clark Construction Group - Chicago LLC | 1 | $6,621 | Feb 23, 2026 |