| 10Sixty Telecom Solutions LLC | 8 | $23,629 | Jul 11, 2016 |
| A Affordable Roofing & Supply, Inc. | 12 | $18,740 | Sep 7, 2016 |
| A. C. Bittner Construction, Inc. | 9 | $7,066 | Jan 28, 2025 |
| Advanced Communications Incorporated | 1 | $3,751 | Apr 10, 2023 |
| Alan Horticulture, LLC | 5 | $20,750 | Apr 18, 2024 |
| Alejandro Leyva dba Caan Exteriors | 4 | $6,200 | Apr 17, 2019 |
| All Remodeling, Inc. | 15 | $10,675 | Apr 6, 2018 |
| Antonio Ramirez dba Antonio Ramirez | 4 | $7,145 | Oct 25, 2019 |
| Antonio Sano dba Roofs by Antonio | 4 | $36,960 | Mar 16, 2015 |
| Arlington Plating Acquisition Company, LLC | 2 | $5,700 | Mar 14, 2025 |
| Arlington Plating Company | 112 | $178,065 | Feb 1, 2016 |
| Blue SKY Mc, Inc. | 3 | $5,000 | Jul 22, 2019 |
| Brandt Industries Inc. | 7 | $6,612 | Dec 1, 2017 |
| Camosy Incorporated dba Camosy Construction | 2 | $4,410 | Sep 15, 2015 |
| CCSD 15 - Hunting Ridge School | 1 | $0 | Mar 24, 2016 |
| CCSD 15 - Jane Addams School | 3 | $0 | Jan 11, 2016 |
| CCSD 15 - Joseph M. Kiszka - Educational Center | 1 | $0 | Jan 7, 2016 |
| CCSD 15 - Lake Louise School | 1 | $0 | Apr 7, 2016 |
| CCSD 15 - Marion Jordan - School | 1 | $0 | Feb 3, 2016 |
| CCSD 15 - Pleasant Hill School | 1 | $0 | Mar 9, 2016 |
| CCSD 15 - Stuart Paddock - School | 3 | $0 | Feb 4, 2016 |
| CCSD 15 - Transportation | 2 | $0 | May 4, 2016 |
| CCSD 15 - Walter Sunding JR. High | 1 | $0 | Apr 13, 2016 |
| CCSD 15 - William Tremelling Center | 1 | $0 | May 2, 2016 |
| CCSD 15 - Winston Campus - JR. High | 3 | $0 | Mar 10, 2016 |
| CCSD 15 - Winston Campus Elementary | 1 | $0 | Mar 10, 2016 |
| Chambers Excavating Services, Inc. | 9 | $7,680 | Jul 13, 2016 |
| Clean up Service, Inc. | 4 | $625 | Apr 7, 2015 |
| Cristofer Villalba Herrera dba Sancho Services Inc. | 5 | $9,422 | Oct 28, 2020 |
| Delta Carpentry Contractors, Inc. | 15 | $54,804 | Jan 25, 2018 |
| Denning Incorporated | 3 | $5,440 | Apr 7, 2026 |
| Designing Concrete Inc | 7 | $8,300 | Apr 22, 2024 |
| Direct Mechanical, Inc. | 8 | $17,200 | Apr 3, 2023 |
| Ejr Services, Inc. | 3 | $4,500 | May 20, 2026 |
| Elisa Construction Inc. | 2 | $3,684 | Jun 28, 2023 |
| Emitex, Inc. | 5 | $5,900 | Feb 11, 2019 |
| Esparza LLC | 3 | $5,500 | Aug 24, 2023 |
| Evolution Plumbing Inc. | 1 | $1,895 | May 24, 2022 |
| Ferdin Castellanos dba Rhyo Siding & Restoration Inc. | 11 | $22,398 | Jan 3, 2019 |
| Fino Exterior Inc. | 25 | $327,746 | Oct 16, 2024 |
| Front Range Environmental LLC | 17 | $14,000 | Oct 30, 2017 |
| Genesis Electric & Technologies, Inc. | 4 | $1,156 | Jul 3, 2018 |
| H.B. Fuller Construction Products, Inc. | 7 | $6,000 | Apr 3, 2017 |
| H2O Waterwalls Inc. | 10 | $1,500 | Oct 4, 2019 |
| Harper College | 4 | $0 | Jun 14, 2017 |
| J & H Construction Company, Inc. | 13 | $6,570 | May 18, 2015 |
| Kinser Crane Service, Inc. | 1 | $2,000 | Jun 28, 2016 |
| Larios Roofing LLC | 5 | $9,247 | May 22, 2017 |
| Max Builders LLC | 3 | $7,367 | Mar 29, 2023 |
| Micro-Plan Masonry Inc. | 8 | $8,850 | Mar 9, 2017 |
| Midwest Property Services, Inc. | 6 | $22,500 | Jun 29, 2016 |
| New Albertsons Inc. dba Jewel Food Stores, Inc. | 1 | $5,000 | Jul 9, 2025 |
| Newko Prototype, Inc. | 3 | $13,903 | Oct 3, 2024 |
| Nico Roofing & Exteriors, Inc. | 3 | $6,952 | May 20, 2016 |
| Palatine Park District - Cutting Hall | 2 | $0 | May 23, 2019 |
| Palatine Township - Road District | 4 | $0 | Jun 9, 2016 |
| Patnick, Inc. | 9 | $20,175 | Nov 16, 2021 |
| Patricia Ayala dba Padilla Siding Construction Inc. | 4 | $9,412 | Jan 3, 2019 |
| Peak Supply Inc. | 5 | $10,575 | Aug 4, 2017 |
| Piotr Sutkowski Construction Company | 1 | $1,989 | Jan 3, 2019 |
| Plum Grove Nursing and Rehab, LLC | 1 | $0 | Apr 28, 2015 |
| PR Grading Corp. | 4 | $3,600 | Jun 17, 2015 |
| Premium Home Experts Co. | 10 | $146,238 | Nov 22, 2024 |
| Premium Home Experts Co. dba Premium Quality Construction, Inc. | 5 | $31,350 | May 3, 2023 |
| Pro-Green Enterprise LLC | 2 | $5,807 | Oct 28, 2026 |
| Raa Interior & Exterior Inc. | 9 | $33,530 | May 9, 2023 |
| Raul's Remodeling Inc., | 10 | $23,775 | Jul 2, 2019 |
| Rene Construction Corp. | 8 | $34,160 | Nov 6, 2019 |
| Res Construction, Inc. | 4 | $11,796 | Dec 10, 2018 |
| Roundy's Illinois, LLC dba Mariano's Fresh Market | 4 | $15,000 | Apr 21, 2015 |
| Salvo Taibi dba Salvo Painting & Decorating | 1 | $1,870 | Oct 13, 2016 |
| Solaris Roofing Solutions, Inc. | 25 | $81,004 | Jun 30, 2025 |
| Spring-Align of Palatine, Inc. | 6 | $6,950 | Mar 17, 2016 |
| Tacuri Construction Inc. | 3 | $6,824 | Jul 14, 2017 |
| The Intec Group, Inc. | 29 | $19,405 | Oct 11, 2023 |
| Thomas Velasquez | 4 | $12,831 | Mar 12, 2024 |
| Tiko Construction LLC | 2 | $3,000 | Jul 11, 2018 |
| TJT Construction Services, Inc. | 1 | $2,500 | Jul 15, 2026 |
| Tony Piech dba Piech Decorating Inc. | 3 | $809 | Apr 6, 2015 |
| Trinity Home Builders, Inc. | 4 | $10,056 | Nov 1, 2022 |
| Tweeter Construction, Inc. dba Arc Restoration | 2 | $2,000 | Mar 16, 2015 |
| UPS Ground Freight, Inc. | 9 | $20,785 | Apr 25, 2025 |
| V3 Companies of Illinois Ltd | 3 | $5,900 | May 16, 2016 |
| Valdex Construction Corp | 2 | $6,800 | Apr 7, 2026 |
| Village of Palatine - Public Works | 1 | $0 | Feb 14, 2019 |
| Virginia Lake - CCSD 15 - School | 2 | $0 | Jan 13, 2016 |
| Weber-Stephen Products LLC | 61 | $31,900 | Jan 15, 2025 |