| McKinney Construction | 2 | $1,200 | Aug 23, 2017 |
| Meek's Electric | 6 | $1,858 | Jan 17, 2017 |
| Meek's Electrical Services, Inc. | 1 | $3,696 | Feb 27, 2018 |
| Meeks Group | 7 | $4,900 | May 29, 2015 |
| Metal Dynamics Corporation | 16 | $5,664 | Nov 15, 2017 |
| Metal Panels, Inc. | 1 | $8,192 | Sep 2, 2021 |
| Metro Mechanical Supply | 19 | $5,006 | Jul 13, 2017 |
| Metro Roofing Company | 7 | $7,747 | May 3, 2022 |
| Michael Payne | 1 | $1,100 | Dec 10, 2019 |
| Micho Construction, LLC | 4 | $11,806 | Jul 17, 2024 |
| Mid-Continent Millwork L.L.C. | 10 | $5,600 | Dec 16, 2015 |
| Midwest Precision Inc. | 17 | $16,024 | Feb 23, 2021 |
| Miguel Martinez | 3 | $6,800 | Mar 16, 2015 |
| MLB, LLC | 3 | $10,230 | Dec 31, 2018 |
| Mullin Plumbing | 6 | $34,100 | Feb 27, 2023 |
| Multillanta Chavez | 4 | $1,400 | Oct 10, 2024 |
| Mustard Street Management, LLC | 5 | $13,477 | Jan 7, 2026 |
| Nava Construction | 1 | $1,966 | Oct 5, 2020 |
| Nikko Construction | 1 | $1,663 | Jan 31, 2018 |
| Nonni's Foods, LLC | 1 | $5,543 | Jan 18, 2018 |
| North American Galvanizing Company LLC | 9 | $31,209 | Nov 8, 2023 |
| North Texas Painting Services, LLC | 1 | $2,171 | Sep 25, 2025 |
| Oak View Group 360 | 3 | $1,398 | Jan 24, 2024 |
| Octavio Lopez-Diaz | 2 | $4,004 | Jan 30, 2018 |
| Ocv Fluid Solutions LLC | 1 | $6,000 | Nov 18, 2020 |
| Oil States Industries - Tulsa Division | 2 | $8,333 | May 28, 2025 |
| Oklahoma Forge, Inc. | 5 | $22,884 | Apr 30, 2025 |
| Omni Mechanical | 6 | $1,186 | Aug 23, 2017 |
| Omni Mechanical Services LLC | 5 | $2,850 | May 16, 2025 |
| Orlando Chapa Pinto | 1 | $2,716 | Feb 7, 2017 |
| Oscar Hernandez Construction | 1 | $2,000 | Jan 14, 2019 |
| Ovations Food Services, LLC | 1 | $699 | Jan 24, 2024 |
| P & M Industries, Inc. | 8 | $3,336 | Feb 3, 2016 |
| P&K Equipment, Inc. | 1 | $6,600 | Aug 15, 2019 |
| Patterson Trucking & Excavating Inc. | 1 | $1,630 | Apr 25, 2017 |
| Paul Precision Machine Inc. | 1 | $648 | Jan 22, 2016 |
| Pavement Conservation Specialist, Inc. | 8 | $12,250 | Oct 30, 2015 |
| Pereiras Jireh Construction and Remodeling, LLC | 1 | $4,096 | Aug 19, 2021 |
| PGMC | 1 | $1,680 | Jan 28, 2016 |
| Pharmed Innovation, LLC | 14 | $29,000 | Jul 29, 2025 |
| Pickering Metal Casting, LLC | 4 | $8,486 | May 25, 2023 |
| Plan B Services & Solutions, LLC | 7 | $5,938 | Jul 18, 2017 |
| Poly-Pro Inc. | 4 | $1,700 | Feb 8, 2017 |
| Pregis Intellipack, LLC | 1 | $0 | May 11, 2017 |
| Premco LLC | 10 | $5,781 | Feb 18, 2015 |
| Prescor, Inc. | 11 | $3,458 | Aug 2, 2016 |
| Preston Eastin Inc. | 1 | $47,666 | Feb 18, 2026 |
| Pro Craft Masonry | 3 | $4,700 | Oct 8, 2019 |
| Pro Insulator | 4 | $2,809 | Feb 2, 2021 |
| Pro Piping & Fabrication LLC | 12 | $8,869 | Sep 12, 2018 |
| Process Manufacturing Company, Inc. | 53 | $132,715 | Mar 6, 2025 |
| Procraft Masonry | 3 | $6,478 | Feb 17, 2020 |
| Professional Fabricators Inc | 7 | $17,000 | Apr 26, 2023 |
| PT Enterprises | 1 | $1,785 | Aug 27, 2015 |
| Public Service Company of Oklahoma | 5 | $66,040 | Jul 22, 2025 |
| Quick Print of Tulsa, Inc. | 2 | $2,800 | Feb 19, 2015 |
| R & R Engineering | 45 | $8,340 | Feb 18, 2015 |
| R&L Construction | 4 | $17,874 | May 13, 2025 |
| R.L. Hensley Construction Inc. | 6 | $15,902 | Jul 16, 2019 |
| R.L.S. Construction, LLC | 1 | $1,080 | Jan 27, 2016 |
| Ramfu Remodeling, LLC | 3 | $16,658 | May 13, 2025 |
| Rauly's Plastering | 4 | $2,400 | Feb 4, 2015 |
| Real Stucco | 5 | $14,457 | Jan 14, 2020 |
| Reavis Electrical Services, Inc. | 1 | $1,700 | Jan 11, 2022 |
| Reputation Services & Manufacturing, LLC | 3 | $12,080 | Sep 27, 2023 |
| Res Drywall | 4 | $0 | Jan 13, 2026 |
| Rew III, L.L.C. | 1 | $1,500 | Jul 24, 2019 |
| Ricalday Construction LLC | 1 | $2,138 | Aug 8, 2016 |
| Ricardo Rivera | 1 | $2,642 | May 27, 2022 |
| River City Development, LLC | 5 | $5,174 | Dec 5, 2017 |
| Rogers Glass, Inc. | 4 | $8,240 | Nov 2, 2023 |
| Rooks Fabrication, LLC | 5 | $4,402 | Jun 21, 2017 |
| Roto Hammer Industries, Inc. | 9 | $3,105 | May 13, 2015 |
| Royal Manufacturing Co. | 5 | $11,972 | Jul 14, 2016 |
| Rupe Helmer Group | 1 | $1,666 | Mar 3, 2020 |
| S & T Manufacturing | 26 | $15,672 | Feb 24, 2026 |
| Sabino Solis | 1 | $1,932 | Apr 9, 2018 |
| Saint Francis Health Systems | 1 | $6,914 | Feb 21, 2024 |
| Sawyer Manufacturing Company | 4 | $4,048 | Nov 5, 2019 |
| SBPJ Inc. D/B/A Damar Manufacturing | 6 | $1,712 | Jul 22, 2015 |
| Screen Tech International | 1 | $0 | Dec 22, 2016 |
| Sergio Mendoza | 2 | $5,530 | Feb 8, 2024 |
| Shelton Masonry Inc. | 7 | $4,402 | Dec 13, 2017 |
| Short Company | 2 | $2,800 | Aug 24, 2017 |
| Shreem Tulsa Ops, LLC. | 11 | $196,235 | Jun 3, 2025 |
| Sigma Stretch Corp | 4 | $25,000 | Mar 9, 2023 |
| Silo Steel, LLC | 1 | $4,965 | Mar 9, 2026 |
| Site Solutions | 4 | $2,940 | Mar 2, 2016 |
| SK Masonry | 2 | $4,351 | Nov 9, 2021 |
| Slim Haney Machining, Inc. | 19 | $25,724 | May 17, 2023 |
| Smithey Environmental Services, LLC | 3 | $9,000 | May 31, 2022 |
| Sooner Manufacturing | 6 | $14,757 | Mar 8, 2018 |
| Southwest Masons, LLC | 4 | $8,900 | Aug 23, 2017 |
| Southwestern Regional Medical Center | 1 | $600 | Jan 28, 2015 |
| Special Roofing | 2 | $4,164 | Feb 18, 2020 |
| Specialty Materials and Digital Decorations | 2 | $3,872 | Oct 6, 2023 |
| Specialty Stone Installation | 2 | $1,865 | Apr 19, 2022 |
| Spencer Concrete & Excavation | 1 | $5,461 | Aug 18, 2021 |
| SPX Heat Transfer Inc. | 10 | $15,710 | Aug 24, 2016 |
| Standard Construction Services | 6 | $2,902 | Apr 13, 2021 |
| Ste-Mik, Inc. | 3 | $5,000 | Mar 2, 2018 |
| Steel Encounters, Inc. | 1 | $6,800 | Mar 6, 2024 |
| Steel Tek | 14 | $10,200 | Jan 25, 2017 |
| Summit Janitorial Services, LLC | 2 | $9,000 | Jan 31, 2018 |
| Sunshine International | 4 | $8,900 | Sep 19, 2019 |
| Supreme Roofing Done Right, LLC | 1 | $2,078 | Aug 12, 2016 |
| T-G Excavating Inc | 9 | $71,695 | Jul 31, 2025 |
| Talon Commercial Services | 7 | $7,921 | Jan 31, 2024 |
| TFT, LLC | 8 | $7,566 | Apr 19, 2018 |
| TG Contracting | 1 | $4,774 | Nov 15, 2018 |
| The Bama Companies, Inc. | 9 | $94,926 | May 8, 2025 |
| The Catholic Cemetery Association of Tulsa, Oklahoma | 1 | $3,750 | Sep 23, 2022 |
| The Crosby Group LLC | 14 | $19,810 | Oct 30, 2024 |
| The GC Broach Company | 5 | $6,761 | Jan 31, 2018 |
| The Nordam Group, Inc. | 4 | $4,275 | Oct 6, 2015 |
| The Recruiting Specialists | 1 | $4,989 | Apr 9, 2024 |
| Thermal Windows, Inc. | 13 | $10,314 | Jan 19, 2017 |
| Thomas L. Herrmon Masonry | 2 | $2,800 | Sep 3, 2015 |
| Thompson Construction, Inc. | 6 | $8,605 | Feb 12, 2026 |
| Thunderbird Fueling Solutions LLC | 1 | $1,000 | Nov 13, 2018 |
| Total Lawn and Landscaping, LLC | 1 | $1,932 | Apr 10, 2018 |
| Tri-State Industries, Inc. | 23 | $24,206 | Jun 3, 2015 |
| Triangle Construction & Utility, LLC | 4 | $17,149 | Jun 22, 2023 |
| Trinity Structural Towers, Inc. | 1 | $6,338 | Jul 20, 2017 |
| Trogdon Drywall | 11 | $2,900 | Apr 12, 2018 |
| Tulsa Beef & Provision Inc. | 2 | $9,126 | Nov 7, 2019 |
| Tulsa Cornerstone Fence Company | 1 | $1,000 | Apr 22, 2016 |
| Tulsa Litho | 4 | $6,458 | Jan 30, 2019 |
| Tulsa Promenade Mall, Ltd | 1 | $2,217 | Sep 11, 2018 |
| Tulsa Steel Manufacturing | 31 | $20,972 | Mar 14, 2023 |
| Tulsa Tube Bending Co., Inc. | 81 | $22,391 | Dec 14, 2022 |
| Tulsack a Division of Proampac | 1 | $6,000 | Nov 8, 2023 |
| Tulsack, Inc. | 7 | $5,029 | Oct 13, 2017 |
| Turley Stucco, Inc. | 7 | $5,920 | Sep 1, 2015 |
| Unarco Industries, Inc. | 12 | $73,733 | Mar 11, 2026 |
| Underground Enterprises, LLC | 1 | $1,989 | Mar 12, 2026 |
| University of Tulsa North Campus | 13 | $7,875 | Oct 15, 2015 |
| UPS Instrument & Electrical Services, LLC | 2 | $32,262 | Oct 3, 2023 |
| Utili-Link Inc | 3 | $5,000 | Jun 5, 2024 |
| Valdez Construction | 2 | $2,608 | May 4, 2017 |
| Valmont Industries, Inc. | 39 | $299,989 | Apr 29, 2025 |
| Vision Air Services | 1 | $3,182 | Oct 22, 2018 |
| VR Electric, LLC | 1 | $2,800 | Aug 24, 2017 |
| Warehouse Market Grocery Stores | 1 | $1,200 | May 19, 2016 |
| Wedlake Enclosure Systems | 2 | $5,594 | Jul 20, 2022 |
| Wedlake Fabricating Inc. | 8 | $4,860 | Jun 12, 2025 |
| Wenco Energy Corporation | 74 | $199,508 | Mar 1, 2016 |
| West Construction | 4 | $2,900 | Sep 1, 2015 |
| Whitacre Glass Works | 2 | $7,439 | Apr 19, 2024 |
| Whole Foods Market, Inc. | 2 | $2,545 | Feb 13, 2020 |
| Wiljo Interiors Inc | 14 | $23,556 | Apr 9, 2025 |
| Wilson Construction and Concrete, Inc. | 1 | $10,000 | Apr 16, 2021 |
| Winco Foods LLC | 3 | $10,139 | Mar 7, 2024 |
| Winters Dental Excellence | 1 | $0 | Aug 16, 2016 |
| Wolfe Tree Services LLC | 2 | $3,547 | Jul 22, 2024 |
| Wood Systems, Inc. | 7 | $3,800 | Dec 15, 2015 |
| Wyatt Technical Services Inc. | 1 | $1,300 | Sep 12, 2023 |
| Ziegler Glass Inc. | 1 | $1,950 | Sep 21, 2021 |