| Superior Roofing Inc. | 48 | $36,555 | Jun 7, 2021 |
| SWB Ventures, LLC | 1 | $8,547 | Mar 24, 2022 |
| Swissport USA Inc | 1 | $3,456 | Dec 14, 2023 |
| Symmetry Builders, Inc | 1 | $1,400 | Jun 23, 2015 |
| System Transport, Inc. | 6 | $36,779 | Mar 23, 2026 |
| T. Lowell Construction, Inc. | 54 | $93,081 | Oct 5, 2021 |
| Taco Bell | 14 | $10,672 | Mar 13, 2020 |
| Tamko Building Products LLC | 1 | $0 | Nov 14, 2024 |
| Taxco Drywall | 1 | $7,813 | Aug 5, 2022 |
| TDS Contracting LLC | 2 | $3,400 | Jul 5, 2018 |
| The Beck Group | 9 | $19,661 | Sep 5, 2025 |
| The Best Glaziers Inc | 1 | $4,465 | Mar 7, 2023 |
| The Denver Athletic Club | 2 | $0 | May 13, 2016 |
| The Gallegos Corporation | 23 | $17,700 | May 26, 2016 |
| The Goodyear Tire & Rubber Company | 11 | $8,483 | Oct 15, 2020 |
| The Goodyear Tire & Rubber Retail | 7 | $9,000 | Dec 27, 2023 |
| The Hertz Corporation | 4 | $0 | Dec 16, 2015 |
| The Quikrete Companies LLC | 33 | $25,475 | Feb 3, 2023 |
| The Reinalt-Thomas Corporation dba Discount Tire | 1 | $12,059 | Sep 10, 2025 |
| The SBJ Group Inc. | 3 | $3,200 | Nov 6, 2017 |
| The Sherwin-Williams Company | 1 | $1,253 | Jun 23, 2023 |
| The TMC Building Group, LLC | 2 | $5,304 | Jun 6, 2019 |
| The Urology Center of Colorado | 5 | $2,500 | Jan 22, 2016 |
| The Vertex Companies Inc | 4 | $3,300 | Feb 23, 2017 |
| The Ziegenfelder Company, Inc. | 2 | $11,756 | Mar 4, 2026 |
| Thirteenth Floor Entertainment Group, LLC | 6 | $5,000 | Aug 26, 2019 |
| Thoutt Bros. Concrete Contractors Inc. | 12 | $67,103 | Jul 18, 2022 |
| Three Brothers ME Construction and Remodeling | 8 | $8,676 | Aug 14, 2020 |
| Timken Motor and Crane Services LLC | 1 | $7,572 | Apr 22, 2016 |
| TNG-GP | 3 | $0 | Jan 26, 2016 |
| Tony's Roofing | 2 | $4,434 | Aug 6, 2018 |
| Top Notch Construction | 5 | $3,840 | Mar 2, 2015 |
| Top Shop Inc. | 14 | $5,950 | May 8, 2015 |
| Torres Masonry Experts, Inc. | 10 | $4,700 | May 1, 2018 |
| Tortillas Mexico Mexico Inc. | 1 | $3,000 | Oct 1, 2018 |
| Total Plumbing, Inc. | 22 | $22,232 | Aug 17, 2017 |
| Transdev Services, Inc. | 8 | $16,413 | Nov 10, 2021 |
| Transportation Security Administration (Tsa) | 3 | $0 | Feb 14, 2023 |
| Trautman & Shreve, Inc. | 25 | $19,175 | Jun 24, 2019 |
| Tropaquatics, Inc. | 5 | $1,600 | Jan 11, 2017 |
| Truckpro, LLC | 3 | $7,251 | Aug 25, 2021 |
| Trustile Doors, LLC | 22 | $69,920 | Jan 12, 2026 |
| Tuft Construction and Development, Inc. | 1 | $2,520 | May 26, 2016 |
| Tufts Construction and Development | 1 | $2,897 | Sep 7, 2017 |
| Turbo Press, Inc. | 8 | $6,500 | Sep 15, 2022 |
| Turn Key General Contractors, Inc. | 2 | $1,000 | Jul 19, 2018 |
| Turner Construction Company | 15 | $32,417 | Jun 16, 2026 |
| Turner Morris | 21 | $17,075 | Jun 21, 2018 |
| Turner Morris Roof Systems | 2 | $5,450 | Mar 31, 2015 |
| Two Nickels, Inc. | 1 | $3,142 | Nov 27, 2018 |
| U Framing, LLC | 1 | $2,842 | Nov 25, 2019 |
| U.S. Department of the Treasury - United States Mint at Denver | 3 | $0 | Jul 23, 2021 |
| U.S. Department of Veterans Affairs | 36 | $0 | Sep 26, 2016 |
| U.S. General Services Administration | 1 | $0 | Nov 5, 2020 |
| U.S. MTN. Masonry, LLC | 1 | $2,040 | Jun 3, 2015 |
| U.S. Postal Service | 156 | $161,366 | Jun 3, 2025 |
| Ultra Mac Corporation | 2 | $2,550 | Mar 18, 2015 |
| Umanzor Framing LLC | 10 | $21,065 | Sep 16, 2026 |
| United Airlines, Inc. | 19 | $67,900 | Dec 19, 2025 |
| United Continental Holdings Inc. | 5 | $12,545 | Aug 13, 2015 |
| United Insulators, Inc. | 4 | $9,000 | Apr 6, 2018 |
| United Materials LLC | 24 | $14,280 | Aug 22, 2017 |
| United Rentals | 7 | $7,606 | Aug 31, 2018 |
| United Roofing and Restoration, LLC. | 1 | $800 | Apr 14, 2016 |
| United States Building Supply, Inc. | 4 | $5,530 | Jul 2, 2024 |
| United States Welding, Inc | 23 | $19,719 | Oct 12, 2022 |
| Unloading Services, Inc. | 1 | $6,091 | Feb 28, 2022 |
| Urban Outfitters, Inc. | 10 | $7,500 | Dec 12, 2019 |
| Urbina Construction, Inc. | 8 | $24,928 | Apr 5, 2023 |
| US Mint Denver | 2 | $0 | Jan 3, 2017 |
| US Mix Co. | 1 | $7,813 | Feb 2, 2023 |
| Valdomero Guevara | 1 | $1,500 | Mar 27, 2015 |
| Varco, Inc. | 2 | $3,214 | Feb 17, 2023 |
| Vasquez Ready Mix, LLC | 6 | $1,600 | Oct 27, 2022 |
| Verandablue, LLC | 11 | $11,641 | Aug 24, 2018 |
| Veterans Affairs Medical Center | 97 | $0 | Aug 14, 2017 |
| Vicman Construction, LLC | 2 | $6,250 | May 24, 2023 |
| Viking Fabrication Services LLC | 4 | $16,593 | May 20, 2024 |
| Viking Supply Net | 3 | $0 | Sep 30, 2016 |
| Villa Construction LLC | 7 | $8,898 | Aug 24, 2018 |
| Villanueva Construction, Corp | 2 | $5,356 | Oct 25, 2023 |
| Vivax Pro Roofing, Inc. | 2 | $1,600 | Sep 18, 2015 |
| VMC Facilities, LLC | 1 | $2,837 | Jun 30, 2026 |
| Vogo Cabinets, LLC | 8 | $17,000 | Apr 15, 2024 |
| VR Construction, LLC | 11 | $7,400 | Aug 17, 2020 |
| Wall Custom Homes, L.L.C. | 1 | $2,000 | Apr 3, 2019 |
| Walpro Builders LLC | 6 | $10,774 | Feb 26, 2025 |
| Walter Construction, LLC | 14 | $33,310 | Jan 15, 2019 |
| Watercourse Foods | 3 | $0 | Jan 11, 2019 |
| Wayne's Construction Service | 1 | $895 | Feb 4, 2021 |
| WCB Ventures, LLC | 2 | $2,400 | Jan 16, 2015 |
| Weathersure Systems, Inc. | 32 | $30,736 | Oct 4, 2018 |
| Welch Equipment Company, Inc. | 1 | $4,823 | Nov 26, 2024 |
| West Drilling LLC | 1 | $2,611 | Aug 30, 2021 |
| Western Industrial Contractors | 16 | $5,012 | Mar 10, 2015 |
| Western Peaks Logistics, LLC | 3 | $5,646 | Jan 31, 2024 |
| Western Roofing Inc. | 14 | $31,150 | Aug 22, 2024 |
| Western States Fire Protection Co. | 11 | $7,678 | Aug 23, 2016 |
| Westminster Auto Parts Inc | 11 | $11,700 | Sep 24, 2018 |
| White Construction Group | 3 | $13,475 | Apr 5, 2022 |
| Whiting-Turner Contracting Company | 7 | $9,710 | Jan 6, 2025 |
| Wholesale Wheel & Tire, LLC | 15 | $22,000 | Jan 17, 2024 |
| Wilding Brands LLC | 2 | $16,598 | Oct 16, 2024 |
| Williams-Sonoma Stores, Inc. | 9 | $85,198 | Feb 24, 2022 |
| WM Recycle America, L.L.C. | 7 | $13,108 | Jul 20, 2020 |
| Woodspear Properties | 2 | $2,380 | Feb 12, 2016 |
| Worldwide Vintage Autos, LLC | 7 | $13,426 | Mar 22, 2022 |
| WS Barricade Corp | 1 | $2,100 | Feb 13, 2024 |
| WSM Industries | 1 | $0 | Oct 19, 2023 |
| Xcel Energy Inc | 23 | $32,084 | Oct 26, 2026 |
| Yesco LLC | 10 | $16,385 | Jan 22, 2021 |
| YK Stone Center, Inc. | 9 | $7,377 | May 20, 2026 |
| Z Craft, Ltd. | 8 | $10,818 | Oct 16, 2020 |
| Z Motorsports, Inc. | 4 | $1,705 | Jul 12, 2019 |
| Zach's Mobile Welding | 1 | $2,300 | Mar 8, 2017 |
| Zamora Quality Construction LLC | 2 | $2,750 | Jul 12, 2019 |
| Zaxton Inc. | 1 | $2,173 | Aug 2, 2017 |
| Zima Corporation | 2 | $2,100 | Mar 2, 2015 |
| Zimmerman Metals, Inc. | 40 | $17,455 | Jun 20, 2023 |
| Zuni Wellness Center, LLC | 3 | $2,700 | Oct 27, 2015 |
| Zurn PLY Roofing, LLC | 1 | $2,679 | Apr 17, 2023 |